Answer:
Obsidian allows less crystal growth than basalt because it cools more rapidly than basalt.
Explanation:
Both Obsidian and Basalts are igneous rocks. Igneous rocks from the solidification and cooling of magma.
The textures of igneous rocks relies mostly on their mode of formation. Igneous texture refers to the way minerals are formed and arranged in rocks.
When magma forms and cools rapidly, crystals of minerals don't have time to grow. This leads to the formation of a rock that would look like glass. An example of such rock is Obisdian. Obsidian's glassy and smooth texture is as a result of the way it was formed. This rock type is an extrusive igneous rock that forms on the surface where cooling magma solidifies rapidly and crystals have little to no time to solidify.
Basalt on the other hand is an extrusive igneous rock. The mineral grains here have some ample time to form. Basalt is made of mafic minerals which impacts some very interesting textures on the rock mass. The texture of a typical basalt is fine grained and the minerals can be seen when magnified. Cooling is not as rapid during the formation of basalts compared to obsidian.
Answer:
it is b
Explanation:
Match the terms to their definition. 1. chromosome a cell whose nucleus is not bound by a membrane 2. eukaryote a genetic characteristic of an individual 3. gene a specific sequence of DNA nucleotides that carry hereditary traits 4. prokaryote a cell that has a membrane-bound nucleus 5. trait tight coils of DNA
Answer:
1. chromosome: tight coils of DNA
2. Eukaryote: a cell that has a membrane-bound nucleus
3. Gene: a specific sequence of DNA nucleotides that carry hereditary traits
4. Prokaryote: a cell whose nucleus is not bound by a membrane
5. Trait: genetic characteristic of an individual
Explanation:
Chromosomes are the thread-like structures that appear during cell division. Each chromosome is made up of DNA tightly coiled with its packing proteins.
A cell is defined as eukaryote or prokaryote on the basis of the presence of a membrane-bound nucleus. The cells that lack the membrane-bound nucleus and other membrane-bound organelles are called prokaryotic cells. Example: bacteria.
The cells that have a membrane bound nucleus in which DNA is present are called eukaryotic cells. Example: Plant cells.
A stretch of DNA that code for a particular protein and thereby regulate specific genetic trait is called a gene. Genes are present on chromosomes and are carried from one generation to next to maintain the genetic traits.
The features of living beings regulated by the gene are called trait. Example: skin color, eye color, etc.
Correct matches: 1-Chromosome to tight coils of DNA, 2-Eukaryote to a cell with a membrane-bound nucleus, 3-Gene to sequence carrying hereditary traits, 4-Prokaryote to a cell without a membrane-bound nucleus, and 5-Trait to a genetic characteristic.
The terms and their correct definitions would be matched as follows:
Chromosome - tight coils of DNAEukaryote - a cell that has a membrane-bound nucleusGene - a specific sequence of DNA nucleotides that carry hereditary traitsProkaryote - a cell whose nucleus is not bound by a membraneTrait - a genetic characteristic of an individualChromosomes are structures that contain genes, which determine specific traits in an organism. Eukaryotes are organisms whose cells have a membrane-bound nucleus which houses these chromosomes, while prokaryotes lack such a nucleus, often having DNA concentrated in a nucleoid.
Dose anyone know the answer???????????
Cellular respiration occurs at the cytoplasm..
So the answer would be 'Z'
Which statement compares what happens in metaphase and anaphase?
Answer:In metaphase (a), the microtubules of the spindle (white) have attached and the chromosomes have lined up on the metaphase plate. During anaphase (b), the sister chromatids are pulled apart and move toward opposite poles of the cell.
Explanation:
Answer:
b
Explanation:
wich of the following is an example of an epeirogenic process
Answer:In geology, epeirogenic movement (from Greek epeiros, land, and genesis, birth) is upheavals or depressions of land exhibiting long wavelengths and little folding apart from broad undulations. The broad central parts of continents are called cratons, and are subject to epeirogeny. PLZ HELP ME FOR MATH!!! go to my profile and plz try answer my question, but if you dont get it plz dont answer!!!
Explanation:
The following is an example of an epeirogenic process is A large plateau forms in the interior of a continental plate when a large section of the plate rises evenly due to an even expansion of the underlying mantle.
The correct option is (C).
1. Epeirogenic processes involve broad-scale vertical movements of the Earth's crust, typically affecting large areas of continents rather than localized regions.
2. Unlike orogenic processes (which involve the formation of mountains through folding, faulting, and volcanic activity), epeirogenic processes result in more gradual changes in elevation over large regions.
3. The formation of large plateaus, such as the Colorado Plateau in the United States or the Deccan Plateau in India, is an example of epeirogenic uplift.
4. This uplift occurs when large sections of the continental crust rise evenly due to processes such as isostatic rebound or mantle convection.
5. Isostatic rebound refers to the adjustment of the Earth's crust in response to changes in surface loads, such as the melting of glaciers or the erosion of mountain ranges, leading to the uplift of previously depressed regions.
6. Mantle convection can also drive epeirogenic uplift by generating upward flow within the Earth's mantle, resulting in the buoyant uplift of continental crust.
7. Overall, epeirogenic processes contribute to the formation of large-scale topographic features such as plateaus, which play important roles in shaping the landscape and influencing regional climates and ecosystems.
complete question given below:
Which of the following is an example of an epeirogenic process? A. Mountains form along a convergent plate boundary when two plates collide, causing rock to bunch and buckle upward B. A rift valley forms at a divergent boundary where two plates are stretched apart. C. A large plateau forms in the interior of a continental plate when a large section of the plate rises eventy due to an even expansion of the undertyng mantle D. Mountains form along a convergent plate boundary when an oceanic plate slips beneath a continental plate, resuling in an upward force on the continental plate.
if you have a prehistoric tooth how can you use carbon dating to determine its age
Answer:
Radiocarbon dating involves determining the age of an ancient fossil or specimen by measuring its carbon-14 content.Green plants absorb the carbon dioxide, so the population of carbon-14 molecules is continually replenished until the plant dies.
what is chemotherapy
Chemotherapy is a process of intense treatment for cancer. It includes one or more anti-cancer drugs. However, most people become sick after they go through with chemotherapy. This can last for days or longer. Hopefully, nobody gets cancer and has to go through this procedure.
Chemotherapy refers to the use of chemicals or drugs to treat disease, often for cancer or to treat infections with antimicrobial drugs. It works by killing or inhibiting growth of target cells and is frequently used when other treatments are limited or not possible.
Explanation:Chemotherapy is a broad term that refers to the use of chemicals or drugs to treat disease. It is frequently associated with cancer treatments but can also refer to antimicrobial drugs that target infectious microorganisms. These drugs generally work by either killing target cells or inhibiting their growth, such as in the case of cancerous structures or infectious microbes.
The use of chemotherapy in cancer treatments involves drugs that interfere with the rapid cell division of cancerous cells. Such treatments are typically used when surgical removal of a tumor is not possible or when other traditional treatments like radiation or hormonal therapy have limitations. However, chemotherapy drugs often impact healthy tissue as well, leading to potential side effects such as nausea and hair loss.
In the case of antimicrobial chemotherapy drugs, they can be bacteriostatic (inhibit the growth of bacteria) or bactericidal (kill bacteria). The use of such drugs needs to be considered carefully to prevent superinfection and the development of antimicrobial resistance.
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An accumulation of different sedimentary and metamorphic rocks combined with scraps of ocean crust is called _____. a dome a volcanic island arc an accretionary wedge a fault-block mountain
Answer:
An accumulation of different sedimentary and metamorphic rocks combined with scraps of ocean crust is called an accretionary wedge.
ANSWER:
Accretionary wedge is the accumulation of metamorphic and sedimentary rocks combines with "scraps of ocean crust".
EXPLANATION:
The sediments get accreted onto a tectonic plate which is non-subducting in nature. Most of the components of accretionary wedge include marine sediments and also erosional products of volcano island arcs. Tectonic collisions are the reason for the formation of accretionary wedges. The shape of an accretionary wedge is usually a triangle and continues to grow in size when it reaches critical taper.how does a pluripotent cell differ from a totipotent cell
Answer:
Pluripotent cells can be almost anything they want to be while totipotent are for ex, like zygotes. They can give rise to placenta and embryo
Answer:
Pluripotent cells, unlike totipotent ones, do not have the capacity to originate a complete living being.
Explanation:
Both pluripotent cells and totipotent cells are examples of stem cells.
Totipotent cells are those that have the capacity to transform into any cell type that can be found in the organism, which can give rise to a complete living being. are found in the embryonic zygote.
Pluripotent cells, on the other hand, do not have this same capacity, because they are not originated from extraembryonic tissues. Examples of these cells are the embryonic stem cells in the basticyst.
Which hotel do you think is most likely to move ahead in market competition?
A. a hotel that provides basic amenities
B.a hotel that provides luxurious amenities
C.a hotel that shows understanding of customers' latent needs
D.a hotel that gives discounts
Answer:
c
Explanation:
if they dont care about what you want it cant be a good hotel
A hotel that shows an understanding of customers' latent needs is most likely to move ahead in market competition. Thus, the correct option is C.
What is the market competition?Market competition may be defined as an environment in a business where different firms have to compete with one another on the accounts of their merits of goods and services.
If a hotel does not represent the basic or luxurious needs of the people, it will definitely move ahead in the market competition.
Therefore, the correct option for this question is C.
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Which species is most likely to exhibit clumped dispersion?
Clumped dispersion is a pattern in which individuals in a population are clustered together in groups, which is most commonly observed in animals that live in groups such as elephants.
Explanation:Clumped dispersion is a pattern in which individuals in a population are clustered together in groups. This pattern is most commonly observed in animals that live in groups, such as schools of fish or herds of elephants. For example, elephants travel together in herds and exhibit clumped dispersion.
SCIENCE--A shark, a crab and a shrimp find themselves in hypoxic conditions. Who do you think is most likely to survive a dead zone? Select one: a. Shark b. Crab c. Shrimp
Answer:
a shark is most likely to survive
camels have adaptations that allow them to survive in the hot desert. match the benefits to the adaptations.
Explanation:
-They have a thick coat of hair to protect them from the sun.
-They have a wide, soft feet sothat they can walk for a long time in hot sand.
Answer:
1st > protects from predators
2nd > provides energy source
3rd > maintains homeostasis
Explanation:
Which of the following statements is true of cartilage and bone development?
A. Some cartilage becomes bone through ossification during childhood development.
B. Cartilage produces white blood cells, which are necessary for immune system health.
C. Cartilage is in the nose and ears, and cartilage can't become bone.
D. Cartilage is the primary material responsible for moving sharks' bones.
Answer:
A. some cartilage becomes bone through ossification during childhood development.
Explanation:
Ossification is a process of bone remolding, this starts from fetal stage and continues up to adolescence. The cartilage cells are replaced by the osteoblasts for the formation of bones in the cluster form.
Answer:
option: A
Explanation:
The ossification process allows the formation of new bones in the body. The process begins from the fetal stage and it continues till adult age. The osteoblasts cell replaces the dead cartilagenous cells.
The hematopoietic stem cell synthesizes WBCs not cartilage. The cartilage can easily be transformed to a bone.The cartilage is not primary material for moving shark bones. As the baby grows the small bones fuses with each other thus forming large bones. So the option A is correct.
Which steps do geologists use to find the epicenter of an earthquake? Check all that apply.
They look at data from at least three seismographs.
They locate the point where circles intersect one another.
They measure the difference between arrival of P waves and S waves.
They draw circles around the epicenter from three locations.
They obtain information about the intensity of earthquakes from seismographs.
Answer:
They draw circles around the epicenter from three locations.
Explanation:
Geologists use triangulation method to determine the epicenter of an earthquake.
The epicenter of an earthquake is a point on the earth surface directly above the focus. The focus is the point beneath the surface where the earthquake occurs.
To determine the epicenter of an earthquake, we simply draw three circles whose point of intersection will be the epicenter. How do we now draw the circle?
From a seismogram obtained from 3 stations, we can deduce the time it takes a wave to travel. We simply compare the time lag between the first occurrence of the s-waves and that of the p-waves. Now that we have the time, we can determine the distance travelled by the wave. Since we know that the velocity of waves are constant, we simply use the relationship between velocity and time to find the unknown distance.
Using the distance as the radius, we draw three circles from different seismograph stations on a map. The point where the three circles intersects marks the epicenter of the earthquake.
Answer:
Option (1), (2), (3) and (4)
Explanation:
Earthquakes refers to the sudden shaking of the earth. It releases a certain amount of energy. During an earthquake, seismic P and S waves are generated that travels through the interior of the earth.
The seismographs that are located near the epicenter records the data during an earthquake. This data is then used to draw 3 circles around those 3 seismographs. The point where these 3 circles intersects is the location of the earthquake epicenter.
The arrival of P wave and S waves are also carefully observed. The P waves travels faster than the S waves, so they are recorded first in the seismograph. This difference between the arrival of these two waves are marked that is helpful for the determination of the epicenter.
The intensity of an earthquake is determined by the amount of damage it causes. It is measured by using a scale known as the Mercalli's intensity scale.
Hence, the correct answers are options (1), (2), (3) and (4).
1. The products in cellular respiration are
A carbon dioxide, water, and ATP
B carbon dioxide and glucose
C glucose and oxygen
OD water, oxygen, and ATP
How does drug effect the behavior of chromosomes during mitosis
This all depends on the drug for example lets say you are taking drugs that will slow down your nervous system there is a possibility that your cell production will slow down to. Lets say you take drugs that speed up everything the chances of you getting cancer is more likely, due to the overgrowth of cells.
I hope this helped
Identify the three parts that create in amino acid
The carboxyl group, the amino group, and the central carbon that contains the R group.
Hello Rimind, okay?
First good night. ⇔
A protein is made up of amino acids. Picking up the word amino acid, and breaking it in half, will turn into: amino + acid.
Every time you find:
C = O
l
OH
It will be acidic, carboxylic acid.
Every time you find:
NH₂
It will be Amino / Amine.
Being:
C = O
l + NH₂ = Amino Acid.
OH
Note:
One part of the amine grouping is basic (Base) and another (acidic), so we can call it amphoteric (Amino acid which can be shared as much as Base, as much as Acid.)
attention :
There are Central Carbon (Alpha) that has four combinations being ultimately radical and is a determinant of one amino acid for the other. To be an amino acid, there are three regions. Always a bond will have an amine grouping, another bond with acid grouping and the hydrogen represented as (H)
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During the first phase of the ovary cycle, the ______ matures within a follicle
A. Vulva
B. Uterus
C. Ootcyte
D. All of the above
Answer:
C. Ootcyte
Explanation:
During the first phase of the ovary cycle, the Ootcyte matures within a follicle.
Answer:
Oocyte
Explanation:
The cortex of ovaries has many follicles and each follicle contains an immature egg in various developmental stages. The immature egg present in the follicle is called oocyte.
The first stage of the ovarian cycle, that is the follicular phase is marked by the beginning of the development of oocytes in several follicles under the influence of follicle stimulating hormone.
However, only one follicle continues developing. By the end of the follicular phase, the mature follicle (the Graafian follicle) bears secondary oocyte in its fluid-filled cavity.
How can one tell if a reaction has reached equilibrium?
O
A. The reaction starts to go in the reverse direction.
B. The concentrations of products and reactants stop changing.
O
C. The concentrations of products and reactants are equal.
O
D. The reaction stops once the reactants have been used up.
A chemical reaction reaches equilibrium when the concentrations of products and reactants stop changing, which corresponds to the forward and reverse reactions occurring at equal rates, making the system's reaction quotient (Qc) constant. This is known as dynamic equilibrium.
Explanation:To determine if a reaction has reached equilibrium, one looks for a state where the concentrations of products and reactants stop changing. Despite the absence of visible changes in concentrations, both the forward and reverse reactions are still occurring at equal rates. This does not imply that the amounts of reactants and products are equal, but that they are constant due to the equal rates of the forward and reverse reactions represented by a double-headed arrow, as in A+B=C+D. During the approach to equilibrium, you'll observe that the reaction quotient (Qc) changes as product and reactant concentrations change; once equilibrium is reached, Qc remains constant.
Dynamic equilibrium is a term used to describe this state. It may seem as if the reaction has stopped, but in reality, the system is dynamically balanced with the forward rate of forming products (C & D) being equal to the rate of the reverse reaction of these products turning back into reactants (A & B).
An ecosystem is like a machine that cycles matter by using _____
Answer:
An ecosystem is like a machine that cycles matter by using captured energy.
Answer:
captured energy
Explanation:
What causes the bonds to break in a chemical reaction
Answer:
Bond energy is the amount of energy that breaks a bond. Energy is added to break bonds and energy is also released when bonds form. ... In an exothermic reaction, the products have (more or less) energy than the reactants.
Explanation:
Final answer:
In a chemical reaction, bonds in the reactants are broken and new bonds are formed in the products. Energy is required to break the bonds and is released when the bonds are formed. This rearrangement of atoms forms new substances.
Explanation:
A chemical reaction involves breaking bonds in the reactants and forming new ones in the products. When a chemical bond is broken, energy is required, and when a chemical bond is formed, energy is released. The amount of energy needed to break a bond is the same amount of energy released when the bond is formed.
For example, in the reaction 2H₂O → 2H₂ + O2, the bonds of two water molecules (H₂O) are broken to form hydrogen (H₂) and oxygen (O2).
Overall, a chemical reaction involves the rearrangement of atoms and the breaking and forming of chemical bonds, which results in the creation of new substances with different compositions.
19. RNAi is a technique that silences genes by targeting them and degrading their mRNA. How can this technique be used in scientific
laboratories?
A. RNAi allows scientists to turn off one gene specifically to study its effect.
B. RNAi is observed in nature, but it can't be used in laboratories
C. RNAi has been used in laboratories to make bacteria more susceptible to antibiotics, but has limited application in eukaryotic cells
D. RNAi is a powerful tool for degrading mRNA, but because it doesn't degrade other types of RNA, its use is limited.
Answer:
RNAi allows scientists to turn off one gene specifically to study its effect.
Explanation:
RNAi is widely used technique for silencing the genes by targeting them and then degrading their mRNA. It silence the genes so that their functions could be studied. It is extensively used in research and can be utilized for any gene just by designing RNAi for that specific gene. It can silence a single genes which make it more useful not only in labs but also in therapeutic approaches for treatment of diseases, cancers etc.
Which of these might be considered benefits of climate change? Select the
two correct responses.
O
A. Fewer business opportunities
O
B. Increased demand for building construction
O
C. Increased ocean acidity
O
D. The spread of invasive species
O
E. Increased crop growth
SUBMIT
Increased demand for building construction and increased crop growth are potential benefits of climate change.
Explanation:The benefits of climate change can be debatable, but two potential benefits are increased demand for building construction and increased crop growth.
Increased demand for building construction: Climate change such as rising sea levels and extreme weather events can lead to the need for new infrastructure and rebuilding efforts, which can create job opportunities and stimulate the construction industry.Increased crop growth: In some regions, climate change can bring longer growing seasons, increased rainfall, or higher concentrations of carbon dioxide in the atmosphere, all of which can result in increased crop production.Learn more about Benefits of climate change here:https://brainly.com/question/13823589
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The two options that could potentially be considered 'benefits' of climate change are increased demand for building construction due to adaptation needs and increased crop growth in some regions due to warmer temperatures.
Explanation:While climate change is generally viewed as a global problem with significant negative impacts, there are indeed a few potential 'benefits' that might occur. However, it is important to note that these potential benefits are often far outweighed by the potential harm.
In terms of your options, the two that could be considered potential benefits of climate change are:
B. Increased demand for building construction and E. Increased crop growth.
As sea levels rise and temperatures change, there may be an increased demand for building construction to adapt to these changes. This could also stimulate economic activity.
Warmer temperatures can also lead to longer growing seasons in some regions, potentially increasing crop growth. However, this is a complex issue and the overall impact on agriculture is likely to be negative due to factors such as increased drought and unpredictable weather patterns.
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4 Points
Which is a cause of natural selection?
O
A. Limited food
O
B. Stable weather
O
C. Unlimited shelter
O
D. Lack of predators
what is the largest populations that an ecosystem an support over time?
a. death rate
b. carrying capacity
c. immigration rate
d. keystone
Answer:
b. carrying capacity is the largest populations that an ecosystem an support over time
one example of physical aspect of environment.
Answer:
Soil, rivers, mountains, lakes etc
Explanation:
The physical environment encompasses the natural and man made part of the environment. Examples are mountains, lakes, valleys, rivers, etc.
The physical environment supports the activities of other components of the environment. All the bioitc and abiotic factors interacts to furnish this aspect of our environment.
This aspect of the environment helps to regulate and gives a balance to other aspects of the environment. We should note that all aspects of the environment constantly interacts with one another and are not independent of each other.
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These include all vegetation, microorganisms, soil, rocks, atmosphere, and natural events. Universal natural resources and physical phenomenon which lack clear-cut boundaries. These include climate, air, water, energy, radiation, electric charge, and magnetism.
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what is microevolution
3.
What is the most likely explanation for how speciation occurs?
A)It occurs only by gradual changes.
B)It occurs only by geographic isolation.
C)It occurs only by natural selection.
D)It occurs by more than one method.
Answer: D
Explanation: Speciation is process in which new and distinct species are formed over a course of time.
It occurs by many means:
1) Gradual Changes- every species undergo some molecular changes with inheritance and eventually leads to formation of an all new species.
2) Geographic isolation- with isolation into a different geographic area, the species try to adopt with the geography and ultimately forms different species. Eg. Australian marsupials.
How will the level of carbon in the atmosphere change if humans do nothing to reduce their impact on the carbon cycle?
It will keep rising above 400 parts per million. Carbon is released into the atmosphere through the burning of fossil fuels. It will likely not go down for decades.
Ecologist Mark is trying to identify the type of pollution that caused excessive algae growth on a river and killed fishes and plants. Which type of pollution
caused this situation?
A.thermal pollution
B.light pollution
C.nutrient pollution
D.noise pollution
Nutrient pollution is the type of pollution that caused excessive algae growth on a river and killed fishes and plants.
What is meant by Nutrient pollution?Nutrient pollution occurs when there is an excess of nitrogen and phosphorus. 50 out of 50 states are impacted by nutrient pollution. States have identified about 15,000 waterbodies in the United States with nutrient-related problems.Nutrient pollution is the type of pollution that caused excessive algae growth on a river and killed fishes and plants.
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What is the primary source of energy for food chains in an ecosystem