Answer:
Which property would best distinguish sediment deposited by a river from sediment deposited by a glacier?
thickness of sediment layers
Explanation:
Glaciers deposit rocks unlike river sediment that are less thicker than glacier's own
The amount of sediment sorting is the best property to distinguish river-deposited sediment, which is well-sorted and stratified, from glacier-deposited sediment, which is unsorted and known as till.
Explanation:The best property to distinguish sediment deposited by a river from sediment deposited by a glacier is the amount of sediment sorting. Sediment deposited by running water, such as rivers, will exhibit a good degree of sorting because water's flow differentiates sediment particles by size, depositing them accordingly. This leads to stratified drift, with grains size and sorting differential layers indicative of water deposition. In contrast, sediment deposited by glaciers, known as till, is typically unsorted and consists of a chaotic mix of material of various sizes, reflecting the indiscriminate carrying and depositing power of glacial ice.
Science myth: Tigers and goldfish are not related.
Fact:
Evidence:
Answer:
Fact: Tigers and goldfish are actually related.
Explanation:
Evidence: They may seem different cause one is a warm blooded animal and the goldfish a cold blooded animal. They share the same point in the phylogenetic tree.
Final answer:
Lions and tigers are more closely related to each other than to bears, as they both evolved from a common ancestor.
Explanation:
Scientists classify organisms not only by their physical features, but also by how closely related they are. Lions and tigers look like each other more than they look like bears, but are lions and tigers related? Evolutionarily speaking, yes. Evolution is the change in a species over time. Lions and tigers both evolved from a common ancestor. So it turns out that the two cats are actually more closely related to each other than to bears. How an organism looks and how it is related to other organisms determines how it is classified.
What are the three heads of the flexor digitorum superficialis?
Explanation:
The Flexor digitorum superficialis is set underneath the past muscle; it is the biggest of the muscles of the shallow gathering, and emerges by three heads such as humeral, ulnar, and radialInception: Medial epicondyle of the humerus Antagonist: Extensor digitorum muscle Insertion: Phalanges Test flexor digitorum superficialis, one finger is flexed at the proximal interphalangeal joint against opposition, while the staying three fingers are held completely reached out (to inactivate flexor digitorum profundus)What is the period of revolution of mercury
Mercury's period of revolution is 88 Earth days while its rotation period is 59 Earth days, with a past misconception of tidal locking with the Sun.
Mercury's period of revolution is approximately 88 Earth days, meaning it takes that long to orbit the Sun. On the other hand, its period of rotation is 59 Earth days, which is about 2/3rds of its revolution period.
It was once believed that Mercury had a tidal locking with the Sun, keeping one face perpetually hot and the other cold, but observational evidence has shown otherwise.
Are polar bears sexual or asexual
Answer:
polar bears are sexual
Once paired, the male and female stay together for a week or more. Females are induced ovulators - the act of mating causes a female to release an egg for fertilization. Several days of mating interactions may be required to stimulate ovulation and guarantee fertilization of the egg.
Suppose a study finds a negative correlation between levels of a particular enzyme in the brain and the severity of mania in people suffering from bipolar disorder. Which of the following is the most accurate conclusion to make based on this evidence
A. Low levels of the enzyme cause bipolar disorder.
B. There is no relationship between the enzyme and mania.
C. Having low levels of the enzyme is associated with high mania.
D. Having high levels of the enzyme is associated with mania.
Answer:
its b
Explanation:
hope im right
In 4 o’clock flowers the alleles for red and white flower color are incompletely dominant to one another and both affect the phenotype of the plant. If you cross a red flowered plant with a pink flowered plant, what are the possibilities of the offspring?
R-Red flowers
r-White flowers
Crossing a red 4 o'clock flower (RR) with a pink one (Rr) results in a 1:1 ratio of red (RR) to pink (Rr) flowered offspring due to incomplete dominance, where neither red nor white alleles are fully dominant.
In the case of the 4 o'clock flowers, where red (R) and white (r) flower color alleles exhibit incomplete dominance, crossing a red flowered plant (RR) with a pink flowered plant (Rr) would produce offspring with the following possible genotypes and phenotypes:
RR (red flowered)Rr (pink flowered)Since the red flower is homozygous (RR), and the pink flower is heterozygous (Rr), we would expect the following genotype ratio from the offspring: 1 RR (red) : 1 Rr (pink), which translates into a 1:1 phenotypic ratio for red to pink flowers. This is because the allele for red flowers (R) is not completely dominant over the white allele (r), resulting in the pink phenotype when a plant has one of each allele (Rr).
Global climate change is the result of increasing levels of carbon dioxide, methane, and other greenhouse gases in Earth's atmosphere. How are the causes of ocean acidification and climate change related to one another?
a) Acids in the ocean decompose to form carbon dioxide, which then diffuses into the atmosphere.
b) Warmer ocean temperatures increase the stability of carbonic acid and other acids in the water.
c) Carbon dioxide diffuses from the atmosphere to the ocean where it reacts to form carbonic acid.
Answer:
c
Explanation:
Ocean acidification is occurring because excess carbon dioxide (CO2) in the atmosphere is being absorbed at the surface of the ocean at an increasing rate. This excess CO2 results in more hydrogen ions, which increases the acidity of the ocean.
An increase in greenhouse gases majorly due to human activities is causing Global warming. Deforestation and increase pollutants in water, land and air altogether are the reason for global warming.
The correct answer is:
Option c) Carbon dioxide diffuses from the atmosphere to the ocean where it reacts to form carbonic acid.
The explanation for the statement is:
Global warming has increased the carbon dioxide, methane and other harmful chemicals in the environment.The use of chemicals like CFCs, the release of smoke from factories, nuclear wastes have caused the heat to be trapped on the Earth surface, therefore increasing the planet's temperature.Due to excess carbon dioxide present in the environment and on the surface of the ocean, it gets absorbed and causes acidification of the oceans.Therefore, carbon dioxide diffuses in the ocean and forms carbonic acid.
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Hydrochloric acid from the stomach is neutralized in the small intestine by
The pancreas secretes bicarbonate, which neutralizes the hydrochloric acid from the stomach in the small intestine, providing an alkaline environment necessary for intestinal enzymes to function.
Hydrochloric acid (HCl) from the stomach, which creates a highly acidic environment necessary for the enzyme pepsin to break down proteins, must be neutralized when the stomach contents move into the small intestine. This is because the enzymes in the small intestine, such as trypsin and chymotrypsin, require a more alkaline environment to function effectively. Therefore, an organ called the pancreas secretes a base named bicarbonate (HCO3-) into the small intestine, which neutralizes the hydrochloric acid, maintaining a suitable pH for digestive enzymes to operate.
_____________ is an ongoing process in which counselors gather information about clients from several different sources and use the information to make decisions for treatment planning. a. Assessment b. Diagnosis c. Appraisal d. Case conceptualization
Populations of aspen trees in the western united states are being destroyed by an unexpected illness. The altered landscape is affecting the animals that live there. Populations of deer mice are increasing greatly in these areas. Unfortunately, these mice carry a disease which can be fatal in humans. This scenario best illustrates... a. The stability of the ecosystem is limited by the amount of water available b. Every population in an ecosystem is linked with other populations c. Ecosystems do not need a constant source of energy d. The altered landscape will always result in a disease due to biotic factors
Answer:
B. Every population in an ecosystem is linked with other populations
Explanation:
An ecosystem is a biological term which refers to all the biotic and abiotic factors present in a particular area which interacts with each other directly or indirectly and affect each other.
In the given case, the interactions and the direct or indirect dependency of the population to each other have been shown as the Aspen trees population which are destroyed by the illness leads to the increase in the population of deer mice. The increase in the population of deer mice can lead to the destruction of the human population as they carry a disease for humans.
Since one population is linked to others directly or indirectly, therefore, the selected option is correct.
Does the appearance of the cavefish and minnow suggest common ancestry?explain
Answer:
There are many unrelated species of cave fish and many unrelated species of minnow. 'Cavefish' and 'minnow' are colloquial words with no formal meaning. A fish that lives in a cave is a cavefish, no matter what its ancestors were like.
Explanation:
An unidentified species of animal displays the following characteristics: bilateral symmetry, a complete digestive system, an open circulatory system, distinct body segmentation, and it molts when it grows. To which of the following animal phyla does this species most likely belong?
A) Annelida
B) Arthropoda
C) Nematoda
D) Platyhelminthes
E) Cnidaria
The unidentified species most likely belongs to phylum Arthropoda, as it exhibits key characteristics such as bilateral symmetry, segmented body, and molting, which are distinctive to this phylum.
An unidentified species showing characteristics such as bilateral symmetry, a complete digestive system, an open circulatory system, distinct body segmentation, and the behavior of molting when it grows is most likely to belong to the phylum Arthropoda. These features especially molting, which is referred to as ecdysis, are characteristic of ecdysozoans, and arthropods are a prominent group within the Ecdysozoa clade. Arthropods include well-known organisms such as insects, spiders, and crustaceans. Phylum Annelida, while also segmented, usually have a closed circulatory system, and they do not molt. Nematoda possesses an unsegmented body and does not display distinct body segmentation as the unidentified species does. Platyhelminthes and Cnidaria do not exhibit all of the characteristics listed; for example, Platyhelminthes do not have a segmented body, and cnidarians have radial symmetry, not bilateral.
How do waterfalls form?
A. meander gets cut off.
B.Sediment builds up.
C.Soft rock erodes.
D.Flat areas flood.
Answer:
Soft rock erodes
Explanation:
Often, waterfalls form as streams flow from soft rock to hard rock. This happens both laterally (as a stream flows across the earth) and vertically (as the stream drops in a waterfall). In both cases, the soft rock erodes, leaving a hard ledge over which the stream falls.
Answer:
c
Explanation:
The _____ _______, which is in the units mg/100 mL plasma, is the maximum concentration of a substrate that the kidneys can reabsorb. This depends on the transport maximum and the flow rate of the fluid in the nephrons.
Answer:
renal threshold
Explanation:
The concentration of a particular substance that is dissolved in the blood above which the substance is removed from the body in the form of urine is known as renal threshold. The renal threshold of different substances varies as the ability to hold diferent substances varies by the kidney. Along with the substance, the physiological conditions and the species also influence the renal threshold. If the renal threshold for a substance is lowered then lower blood levels compounds will be excreted out and if the threshold is higher then opposite will occur.Cardiovascular effects of the sympathetic division include all except ________. cardiovascular effects of the sympathetic division include all except ________. constriction of most blood vessels increase of heart rate and force dilation of the blood vessels serving the skin and digestive viscera dilation of the vessels serving the skeletal muscles
Answer:
The preferable option for the fill in the blanks will be - C.
C. dilation of the blood vessels serving the skin and digestive viscera
Explanation:
6) Cardiovascular effects of the sympathetic division include all of the following except the dilation of the blood vessels serving the skin and digestive viscera.
The given options were -
A) constriction of most blood vessels
B) increase in heart rate and force
C) dilation of the blood vessels serving the skin and digestive viscera
D)weak dilation of the blood vessels of skeletal muscles during exercise
The sympathetic division includes all except dilation of the blood vessels serving the skin and digestive viscera. Thus, option C is correct.
The sympathetic division causes vasoconstriction of blood vessels, particularly in areas such as the digestive system and skin. This helps to divert blood flow to more critical areas such as skeletal muscles and organs involved in the stress response.
It causes vasodilation of blood vessels that supply skeletal muscles. This allows for increased blood flow to these muscles, ensuring they receive adequate oxygen and nutrients to support physical activity. Thus, option C is correct.
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Joseph Smith is looking for a summer job as a bookkeeper or accounting assistant. Look at his resume. Then answer the
question.
What changes should Joseph make to this resume? Select three options.
Use a font that is easier to read and less ornate.
Fix the formatting so it is consistent throughout.
Change “graduating this year" to show the date.
Remove "Jackson Accountants" from "Experience" since it is an unpaid job.
Remove "Ma's Pizza" from "Experience" since it is not related to this summer job.
Answer:
Use a font that is easier to read
Fix the formatting to make it the same throughout
Change the graduation date
Explanation:
Make use of an easier-to-read typeface. Make the formatting consistent throughout by fixing it. Change the commencement date.
What is formatting?Formatting is defined as the essay's appearance or presentation. Layout is another term for formatting. Headings, regular paragraphs, quotations, and bibliographic references are the four text types that the majority of essays use. The goal of formatting is to alter the font's style, size, color, and overall appearance.
Choose the text that needs formatting. The style is applied to the entire paragraph if your cursor is placed within one. To sample a style on the Home tab, point to it. Click the More option if you don't see the style you're looking for. Choose a look.
Thus, make use of an easier-to-read typeface. Make the formatting consistent throughout by fixing it. Change the commencement date.
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The main job of erythrocytes, or red blood cells, is to
transport what to supply to cells?
Answer:
Oxygen
Explanation:
Answer:
oxygen
Explanation:
The main job of red blood cells, or erythrocytes, is to carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product, away from the tissues and back to the lungs. Hemoglobin (Hgb) is an important protein in the red blood cells that carries oxygen from the lungs to all parts of our body.
A P E X
?What is an index fossil?
A. A fossil this is found all over the world
B. A fossil this is from an animal that did not evolve
C. A fossil that is more than 60,000 years old
D. A fossil found in rocks from one time period
A fossil found in rocks from one time period are called as an index fossil. Hence option D is correct.
What are fossils?Fossils are defined as the ancient life's vestiges or traces that have been saved by natural processes. The majority of fossils are created when a living thing (such as an animal or plant) dies and is swiftly buried by sediment (such as mud, sand or volcanic ash). An organism must not devour itself or decay in order to become a fossil. If the creature either resides in or is relocated to a location where it may be buried and prevented from decomposing, this may occur.
Index fossils are defined as any plant or animal that has been preserved in the Earth's rock record and is unique to a certain geologic period or environment. A suitable index fossil needs to be unique or easily identifiable, plentiful, have a broad geographic distribution, and have a limited time range.
Thus, a fossil found in rocks from one time period are called as an index fossil. Hence option D is correct.
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(a)
Which of the following is the best definition of a species?
Tick () one box.
Organisms with many features in common
Organisms that live in the same habitat and eat the same
food
Organisms that reproduce together to form fertile offspring
Answer:
Organisms that reproduce together to form fertile offspring
Explanation:
The best definition of species is the organisms that reproduce together to form fertile offsprings. Therefore, the correct option is D.
What are species?Species refers to the related organisms that are similar in form and function and are capable of interbreeding to form fertile offsprings.
The concept of species is the fundamental unit of classification in biology and is used to organize the diversity of the life into a manageable and scientifically useable system.
Species are typically defined based on their genetic, morphological and behavioral characteristics.
For example- Two organisms are said to be of the same species if they have a similar DNA sequence, look alike and can interbreed to produce offspring of that are also capable of reproducing.
In conclusion, species are the key unit of classification in biology. Therefore, the correct option is D.
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An accident victim receives a blood transfusion. Shortly thereafter, he begins to have difficulty breathing, develops a fever, and experiences nausea and vomiting. Which of the following is the most likely interpretation of these events?
a. the blood transfusion contained pyrogens.b. the blood transfusion was mismatched, and the recipient had previously been exposed to the blood group antigens of the blood transfusion.c. the blood transfusion was mismatched and contained pyrogens.d. the blood transfusion was mismatched.e. the recipient had previously been exposed to the blood group antigens of the blood transfusion.
Answer:
b. the blood transfusion was mismatched, and the recipient had previously been exposed to the blood group antigens of the blood transfusion.
Explanation:
Blood transfusion giving a patient blood or its equivalent product intravenously. Necessary tests are normally carried out to ensure the blood to be transfused matches and is compatible with the blood or body system of the recipient.
However when symptoms like difficulty in breathing, fever,nausea and vomiting is visible after ten transfusion then it’s obvious there was an error which involves blood transfusion being mismatched, and the recipient being previously been exposed to the blood group antigens of the blood transfusion
Answer:
b. the blood transfusion was mismatched, and the recipient had previously been exposed to the blood group antigens of the blood transfusion.
Explanation:
This incompatibility of blood groups, which leads to immune response of the recipient to recognise the donor's blood cells as antigens, and therefore attack the donor blood cells donated , causing lysis of the blood cells, leading to low oxygen saturation in the blood and difficulty in breathing and other complication.
The graph shows the populations of wolves and mountain lions in five different counties in Montana. Wolves and mountain lions compete for the same kinds of food resources. What conclusion could be stated regarding the relationship between the two predators within Clay county?
Answer:
The answer is B trust me if you want its your dicision
Explanation:
The chloroplasts of flowering land plants typically contain at least two photosynthetic pigments
Answer:
Chlorophyll A, and B.
Explanation:
Chlorophyll is known as the green pigment which is present in plants. Through the process of photosynthesis, It helps to convert solar light into useful energy. They have light absorption properties, so they are known as photoreceptors. Mainly two types of Chlorophyll are present in plants:
Chlorophyll A: It Is known as the primary photosynthetic pigment and has the ability to absorbs red, blue, and violet lights. Chlorophyll A is the location of the photochemical processes and can absorb light which is needed for the process of photosynthesis.
Chlorophyll B: It mainly helps to absorb blue light which is utilized to fill out the absorption of chlorophyll A it means it helps to supply additional light energy to chlorophyll A. It is known as the accessory pigment.
Parathyroid hormone: a. increases osteoblast activity to release more calcium ions into the bloodstream b. increases osteoclast activity to release more calcium ions into the bloodstream c. increases osteocytes activity to release more calcium ions into the bloodstream d. none of the above
Answer:
B
Explanation:
The parathyroid releases hormone that breaks down the bone to raise blood calcium level. Osteoclasts are responsible for breaking down the bone tissue.
Parathyroid hormone increases the blood calcium level by stimulating osteoclast activity, enhancing calcium absorption in the intestines, and reducing calcium loss through urine. It plays a crucial role in maintaining calcium homeostasis in the body.
Explanation:The correct option is b. increases osteoclast activity to release more calcium ions into the bloodstream. Parathyroid Hormone (PTH) is primarily responsible for increasing the blood calcium level. It achieves this by stimulating the activity of osteoclasts, which are cells that degrade bone to release calcium. Additionally, PTH indirectly increases calcium absorption in the intestines by enhancing the synthesis and secretion of calcitriol (an active form of Vitamin D) in the kidneys. This hormone also facilitates the reabsorption of calcium in the kidney tubules, thus reducing the loss of calcium through urine, further maintaining calcium homeostasis in the body.
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TASK: Describe and explain the many stages involved in the development of a human embryo and fetus, as well as the
need for proper pregnancy care, nutrition, and overall healthy choices during pregnancy.
The very first stage of the development is the fertilization of an egg .It takes about 24 hours for a sperm cell to fertilize an egg. When the sperm punctures the egg, the surface of the egg changes so that no other sperm can enter. At the moment of fertilization, the baby's genetic makeup is complete. The second stage is the two cells; this stage occurs approximately 30 hours after fertilization and results in a 2-cell embryo. The next stage is the 4 cell embryo is the result of a second cleavage event and occurs at approximately 40 hours after fertilization. The individual cells are called blastomeres. At this stage the process of embryonic genome activation is started in human embryos. Next is the 8 cell stage actually consisting of 6-12 cells develops by day 3 of human embryonic development now there is now an morula or early-stage embryo consisting of 16 cells (called blastomeres) in a solid ball contained within the zona pellucida . 5 to 6 days there is a blastocyst or embryo that will develop into a baby .The fourth week ball of cells is splitting into the embryo and placenta .The neural tube the building block of the spine brain and backbone is already formed.The amniotic sac and fluid are forming. This would be a good time for the mother to get good exercise as well as to stop drinking and smoking .The mother should also see a doctor and start taking prenatals. This is important because it helps with the development and growth of the baby . The next stage is 10 weeks. The baby is as big as a strawberry. At stage 16 the baby is the size of an avocado. 16 weeks of pregnancy the mother may notice an increase in energy .Sleep is important because lack of sleep can result in growth problems in the unborn baby. 20 weeks the baby is nearly formed this is the second trimester the mother should avoid raw meat,eggs,and fish. By 24 weeks your baby's organs are fully developed .
Explanation:
ps I tried to make it as short as possible
Genetic engineering is also known as ________
recombinant DNA technology
genetic modification
transgenic creation
Answer: Recombinant DNA technology
Explanation:
the fusing of an egg and sperm form a
Answer:
Zygote
Explanation:
From the information presented in the movie, what can you conclude about dark matter ??
Answer: First propounded in 1960 by United States scientists Nelson Hairston, Frederick Smith and Lawrence Slobodkin, the hypothesis states that predators more than plant defences are responsible for limiting herbivore spread which would, in turn, lead to large scale destruction of plant life
Explanation:
Which of the following is least involved in the mechanical breakdown of food, digestion, or absorption? a) large intestine b) the oral cavity c) the small intestine d) the esophagus
Answer: My answer is the esophagus
Explanation: The esophagus is basically a fibromuscular tube that helps food get from the pharynx all the way into the stomach. I hope this could help a bit!
We have that for the Question, it can be said that the esophagus is least involved in the mechanical breakdown of food
the esophagus
Option D
From the question we are told
Which of the following is least involved in the mechanical breakdown of food, digestion, or absorption?
a) large intestine
b) the oral cavity
c) the small intestine
d) the esophagus
Generally
A brielf summary of digestion will be
The oral cavity breaks down food to bits It moves through the esophagusAnd is further broken down and absorbs in the large intestine and the small intestineTherefore
the esophagus is least involved in the mechanical breakdown of food
Option D
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The lionfish is a venomous fish found primarily in the Red Sea and the Indian Ocean. In the 1990s, lionfish were accidentally released into the Atlantic Ocean, where they found abundant resources and favorable environmental conditions. Which of the following scenarios is most likely to result in the lionfish having a major impact on the communities into which they were introduced?
A. With no natural predators, the lionfish population will become very large
B. Some native species of invertebrates will develop a resistance to lionfish venom
C. Random mating will allow the lionfish population to reach Hardy-Weinberg equilibrium
D. A virus that specifically infects lionfish will become more prevalent
The Red Sea and the Indian Ocean are the main habitats for the venomous lionfish.
Thus, Lionfish were unintentionally discharged into the Atlantic Ocean in the 1990s, where they discovered an abundance of resources and a conducive environment.
If there are no natural predators, the population of lionfish will soar.
After being introduced to a favourable setting where the lack of predators and the presence of other advantageous conditions will enable their growth to accelerate exponentially.
Thus, The Red Sea and the Indian Ocean are the main habitats for the venomous lionfish.
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Use the drop-down menus to complete each statement.
Scientists discovered that new molten materials from inside Earth create new___
Rocks closest to the center of a mid-ocean ridge are____
than those that are farther away
Answer:
crust and younger
Explanation:
Trust me i just did it and got it correct:)