Answer:
D
Explanation:
There is more radiation in the US from bomb testing
Final answer:
The main reason for more cancer deaths in the U.S. compared to poor regions of Africa or Asia is the older population in the U.S. Higher life expectancy and lifestyle factors like smoking contribute to a higher incidence of cancer. So the correct option is c.
Explanation:
The correct answer to the question of why more cancer deaths occur in the U.S. as a percentage of the population than in poor regions of Africa or Asia is c. The population tends to be older in the U.S. This is because cancer is generally a disease associated with aging. The United States, along with other higher-income countries, has a relatively older population due to better overall healthcare and higher life expectancy. As a result, there are more people in the age group who are at a higher risk of developing cancer. Additionally, cancer patterns are influenced by cultural behaviors such as smoking and dietary practices, which are prevalent in the U.S., leading to a higher incidence of cancer-related deaths.
While pollution, a mixed population, and radiation could contribute to cancer rates, they are not the primary reasons for the higher percentage of cancer deaths in the U.S. When considering environmental factors, it's important to note that although poorer regions might face high levels of environmental pollution and related health risks, the younger demographic and issues like infectious diseases often overshadow the impact of cancer in those areas.
HELLLPPPPPPPPP!!
Which prediction is true based on this population pyramid?
The population is growing slowly.
The population is growing rapidly.
The population is declining.
The population is not growing.
Based on the wide base of Angola's population pyramid, the population is growing rapidly. The demographic transition model supports this, as Angola is in Stage 2 with high birth rates and dropping death rates. In contrast, Italy's narrower base indicates a declining population in Stage 5.
Explanation:The prediction of population growth can be determined by examining the population pyramid. When a country like Angola exhibits a wide base in its population pyramid, it is indicative of a high birth rate, suggesting that the population is growing rapidly. Meanwhile, countries like Italy display a top-heavy pyramid with a narrow base, which signifies an aging population and potentially a declining population size. The demographic transition model further explains that in Stage 2, where the death rate has fallen but the birth rate remains high, populations experience rapid growth. On the other hand, Stage 5 indicates a population with birth rates lower than death rates, leading to population decline.
The population pyramids reflect the historical demographic changes due to births, deaths, and migrations and can also hint at socio-economic changes. In addition, population growth rates are subject to change based on factors such as national wealth and societal values influencing birth and death rates.
Diffusion and osmosis are forms of passive transport.
Group of answer choices
True
False
Diffusion and osmosis are indeed forms of passive transport. Diffusion involves movement of particles from a region of high concentration to low. Osmosis, a type of diffusion, involves the movement of water molecules across a semi-permeable membrane from lower to higher solute concentration.
Explanation:The statement 'Diffusion and osmosis are forms of passive transport' is true. Both diffusion and osmosis are types of passive transport mechanisms within a cell. Diffusion is the process in which particles move from an area of high concentration to an area of low concentration. Similarly, osmosis is a special type of diffusion where water molecules move across a semi-permeable membrane from an area of a lower concentration of solute to an area with a higher concentration of solute, till equilibrium is reached.
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The process of dna replicaton occurs just before
Answer:
cell division
Explanation:
Sorry if its wrong
What is the role of the pancreas?
O
A. It takes excess salt from the blood.
O
B. It maintains the amount of water in the body.
O
C. It produces digestive enzymes.
O
D. It removes toxins from food.
Answer:
C. It produces digestive enzymes.
Explanation:
brainliest?
pleaaaaaase?
Pancreas make digestive enzymes called pancreatic juices. Thus, option C is correct.
What is pancreas?The pancreas is a mixed or heterocrine gland, with both endocrine and exocrine gastrointestinal functions. Its primary function as an endocrine gland is to regulate blood sugar levels by secreting the hormones insulin, glucagon, somatostatin, and pancreatic polypeptide.
As part of the digestive system, it functions as an exocrine gland that secretes pancreatic juice, which contains bicarbonate, and neutralizes the acid entering the duodenum from the stomach. It also contains digestive enzymes, which helps in braking down of carbohydrates, proteins, and fats in food.
It plays an important role in the sugar metabolism by secreting insulin and glucagon. Therefore, option C is correct.
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If an opaque material appears to be green, then which of the following can be concluded?
All color frequencies of light are reflected, except for green which is absorbed.
All color frequencies of light are absorbed, except for green which is reflected.
All frequencies of light are reflected, but green is reflected at a different angle than all others.
Green is the only frequency of light that is absorbed.
Answer:
All color frequencies of light are absorbed, except for green which is reflected.
Explanation:
Light does not transmits through an opaque object. We are able to see an object when light from a source bounces off its surface and reaches our eye. The color we see is the one which is reflected.
Answer:
B
Explanation:
If a light is reflected, that means that it bounces back from the material in the opposite direction. This means that we will be able to see that reflected color. Here, since we see green, we know that green has been reflected.
Meanwhile, if we don't see any color, then we know those colors are absorbed by the material.
Thus, the answer is B.
Hope this helps!
T = tall t = short
1. A heterozygous plant is crossed with a short plant. Tell the following
a. What are the two genotypes? _____
b. % of offspring that will be homozygous dominant ___
c. % of offspring that will be heterozygous ___
d. % of offspring that will be homozygous recessive ____
e. % of offspring that will be tall _______
f. % of offspring that will be short______
Answer:
A. T and t
B. 25 %
C. 50 %
D. 25 %
E. 75 %
F. 25 %
The_
of a star will determine its lifespan.
magnitude
mass
rotation
temperature
This is earth space science
Pls answer fast
Answer:
Mass
Explanation:
The larger a star's mass, the shorter it's lifespan.
I hope this helps! ☺
What trait is common for animals in the Order Carnivora?
Answer:
i would say claws, larger sharp teeth, and some my have camouflage in order to hunt better.
How many kilometers above sea level would this mountain reach, and what would the approximate temperature be at this altitude?
Please help asap!!!!
Answer:
It would be about 9 kilometers above sea level, and you can expect the temperature to be cold. (see explanation)
Explanation:
If there's no snow or rain and you’re not in a cloud, then the temperature decreases by about 5.4°F for every 1,000 feet up you go in elevation. That is 9.8°C per 1,000 meters. However, if you’re in a cloud, or it is snowing/raining, the temperature decreases by about 3.3°F for every 1,000 feet up you go in elevation. Thus meaning it’s a change of 6°C per 1,000 meters.
Which statement describes the reaction for cellular respiration?
The equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the fo
The equation is glucose + oxygen → carbon dioxide + water and energy is produced in the form of A
The equation is carbon dioxide + water → glucose + oxygen + water and energy is produced in the fi
The equation is glucose + oxygen carbon dioxide + water and energy is required in the form of ligh
The equation is glucose + oxygen = carbon dioxide + water + energy
Answer:
glucose + oxygen ® carbon dioxide + water Energy is produced in the form of ATP
Hope this Helps!
how does water role in photosynthesis explain increased biological productivity in area of heavy precipitation
Water has a role in photosynthesis as being a reactant for the process. The biological productivity will increase due to heavy precipitation.
Photosynthesis is a process by which green plants prepare their food using carbon dioxide and water to produce carbohydrate and oxygen. Water from the atmosphere in the form of moisture and from soil as a reactant which get split by the photolysis through sunlight and hydrogen becomes the part of the carbohydrate and oxygen is produced as byproduct. In an area which maximum amount of precipitation annually is likely to facilitate the process of photosynthesis and more biological productivity is expected due to the availability of enough amount of water as reactant necessary for photosynthesis.Learn more about photosynthesis:
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Which statement best compares the moon and Earth?
Group of answer choices
A-They both spin at the same speed.
B-The moon has carbon dioxide, but Earth has oxygen and nitrogen.
C-They both take the same time to complete one revolution around the sun.
D-The moon has no atmosphere, but Earth has an atmosphere rich in liquid water.
Answer:
It should be D-The moon has no atmosphere, but Earth has an atmosphere rich in liquid water.
Explanation:
Well first lets look at your choices.
A-They both spin at the same speed.
No, the moon rotates faster then the earth.
B-The moon has carbon dioxide, but Earth has oxygen and nitrogen
That is also a no. The moon is mainly composed of argon, not carbon dioxide.
C-They both take the same time to complete one revolution around the sun.
The moon revolves around the earth in 24 hours of earths time. So this is not correct.
D-The moon has no atmosphere, but Earth has an atmosphere rich in liquid water.
This should be correct. The moon statement is true and the earth is 95% water so that is also true.
Have a great day!
easy 100 points for one question
Answer:
Explanation:
The hawk eats him as they are young older hawks eat snakes snakes eat frogs frogs eats bugs guts eat plant walrus give nutrients to plant
Answer:
Explanation:
What the other person wrote as answer is sure correct
The diagram below shows the structure of a plant cell
An American elm within a neighborhood has been affected by Dutch elm disease.
How would the carrying capacity for American elms in the neighborhood be affected if the elm bark beetle population increased in size?
A. The carrying capacity for American elms would increase.
B. The carrying capacity for American elms would decrease.
C. The carrying capacity for American elms would stay the same.
Answer:
B. The carrying capacity for American elms would decrease.
Explanation:
Elm bark beetles live on American elm trees. They are also responsible for spreading the fungal disease Dutch elm disease which destroys the elm trees. Carrying capacity is the maximum number of individuals an area can hold, given the current resources. It is not constant and in case the habitat is destroyed or damaged, its carrying capacity can go down. Here, Dutch elm disease has already started to effect the trees and also the population of beetle has increased which will further spread the disease. Hence, the carrying capacity of the american elm trees will decrease.
An increase in the elm bark beetle population, which transmits Dutch elm disease, would likely decrease the carrying capacity for American elms in the neighborhood due to a higher infection rate and tree mortality.
If the elm bark beetle population increased in size, the carrying capacity for American elms in the neighborhood would likely decrease. This conclusion is based on the relationship between the elm bark beetle and Dutch elm disease. Since the elm bark beetle acts as a vector for the disease by transmitting the fungus Ophiostoma ulmi from tree to tree, more beetles would likely lead to a faster and more widespread infection of elms.
As the disease spreads, more elms would become infected, leading to a higher tree mortality rate. With fewer healthy trees, the neighborhood's environment would not be able to support as many American elms as before, hence the reduction in carrying capacity. This result mirrors other instances in ecology where an increase in a predator or a parasite corresponds to a decrease in the carrying capacity for the affected species.
Can a Bengal tiger and Florida panther mate that would also be able to reproduce?
Answer: The Bengal tiger and Florida panther are two distinct species if they mate will not be able to reproduce.
Explanation:
A species is a group of organisms that are capable of inbreeding and producing viable fertile offsprings. The members of different species will not be able to mate due to behavioral, morphological, and physiological differences between the phenomena related to this condition is called as reproductive isolation.
The Bengal tiger and Florida panther if mate they may not be able to reproduce viable offsprings due to differences in the physiology of the genital organs and gamete which may not fuse to developing offspring.
A Bengal tiger and a Florida panther are unlikely to produce viable, fertile offspring due to significant genetic differences. Any resulting hybrid would likely be sterile, similar to ligers or mules, and this type of genetic mixing can lead to issues like genetic pollution in wild populations.
A Bengal tiger and a Florida panther are different species with significantly different genetic makeups. While there are instances where different species can mate and produce hybrids, like the well-known ligers and tigons from the mating of lions and tigers, the likelihood of a Bengal tiger and Florida panther producing viable, fertile offspring is extremely low. These hybrids are often sterile, such as mules (horse and donkey offspring) and the mentioned big cat hybrids, which are unable to reproduce due to the mismatched set of chromosomes they inherit. This genetic divergence is significant enough that the gametes (reproductive cells) of the hybrids do not contain a full, viable complement of genes for further successful reproduction. Therefore, even if a Bengal tiger and a Florida panther were to mate and produce offspring, it is highly probable that these offspring would not be able to reproduce themselves.
Additionally, it is important to consider the implications of such hybridization on biodiversity. The release of non-native genes into wild populations, as described in the case of the Bengal-Siberian tiger hybrid in India, results in genetic pollution which undermines the genetic purity and adaptability of native species. Therefore, inter-specific mating is generally discouraged in conservation and wild population management.
A body part that has lost its original function through evolution
Answer:
the appendix
Explanation:
Hope this helped
stay safe
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vestigial organ is the body part that has lost its original function through evolution.
What is vestigial organ ?The vestigial organ other wise called as rudimentary organs.
These are the remnants of the organs which might have functional in the ancestors organism.
These vestigial organs are mostly undersized, degenerated, inactive and non-functional.
Some of the example include Vermiform Appendix is the remnant of the caecum which is functional in herbivorous mammals like cows and buffaloes and it help in digestion.
Caudal vertebrae or coccyx is most prominent among our ancestors like monkeys, in which this is functional tail.
The ancestral human had prehensile feet until they started walking on the ground; when they walk and run their toes become straight and firmer and lost their flexibility.
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Good management of the environment is based on
economics
duplicating nature
leaving the environment alone
stopping all changes in the environment
Good environmental management is a multifaceted approach that involves managing ecological processes, adapting to changing conditions, and implementing regulatory controls to ensure sustainability. It also includes economic strategies such as taxation to encourage conservation and sustainable use of limited resources.
Good management of the environment is not based on a single action or ideology. Instead, it typically involves a combination of practices that include continuously managing limiting factors and ecological processes, as well as being adaptive and minimally intrusive. This also means that good environmental management often depends on regulatory controls, such as natural resource management laws and pollution laws that define sustainable use and prevent harmful dumping into the environment.
Additionally, conservation biology principles guide efforts to maintain complex and adaptive ecosystems by ensuring that ecosystem processes like water cycling and nutrient cycling are maintained, external threats are minimized, and actions taken are adaptive to changing conditions. This approach is vital as it recognizes that the earth has a limited supply of resources, which must be conserved for present and future generations.
An economic perspective on environmental management might include implementing taxes on resource extraction and waste production to encourage conservation and sustainable practices. This is aligned with the idea that growth is not indefinitely sustainable, and human activities must align with natural laws to maintain the integrity of the environment.
Two unlabeled slides are viewed under a microscope.
Slide A has cells with a visible nucleus, mitochondria, a cell membrane, a cell wall, and chloroplasts.
Slide B has cells with a visible nucleus, mitochondria, and a cell membrane.
How should these slides be labeled?Immersive Reader
(9 Points)
Slide A, animal cells; Slide B, animal cells
Slide A, animal cells; Slide B, plant cells
Slide A, plant cells; Slide B, animal cells
Slide A, plant cells;Slide B, plant cells
:3
Answer:it's the third option
Explanation:
Because animal cells don't have a cell wall or chloroplast
Going by the organelles seen under the microscope, the correct labelling of the slides would be:
Slide A - plant cells Slide B - animal cellsSlide A would be a plant cell because of the presence of cell wall and chloroplast. these 2 organelles are unique to the plant cell only.
Slide B would be an animal cell due to the absence of cell wall and chloroplast.
Both cells are eukaryotic cells with essentially the same organelles. However, the plant cell has chloroplast, cell wall, and large central vacuole while the animal cell does not.
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What happens to the earth's temperature when there is excess amount of carbon dioxide? A.Temperature increases
B. Temperature decreases
C. Stays the same
#7. Choose the best answer:
Answer:
All tall and no short.
Explanation:
When TT and tt are crossed, it makes all offspring Tt. If Tt, it only shows the dominant trait, and they are carriers of the recessive trait.
Which organisms from the food chain could Neil classify as consumers
A. The algae and fish.
B. The seal and shark.
C. The fish, seal, and shark.
D. The algae, seal, and shark.
Plz help
Answer:
B or C depending on if there is a fish on the food chain
(most likely C though)
Explanation:
consumers are things that eat other things
producers are things that make energy for themselves and they can survive off that energy (anything that does photosynthesis)
Algae does photosynthesis. so A and D is wrong
B and C could be the right answers depending on if a fish is shown.
any item above another item with a like drawn to it in a food web is a consumer
producers are at the very bottom of the food web.
Penelope is adding fractions while taking a math test what part of her brain is at work
Answer:
Left frontal lobe
Explanation:
The verbal mathematical ability, the "linguistic" mode, is located in the left frontal lobe, which is the part of the brain known to be responsible for making connections between words.
Answer:
A
Explanation:
100 POINTS! WILL MARK BRAINLIEST!
Answer:
C
Explanation:
I took the test.
Answer:
c?
Explanation:
What’s the chemical reaction
Answer:
Smell produced
Explanation:
The tree will start having a burning scent.
Answer:
1 bubbles and new substance 2 smell and new substance and change of state
Explanation: baking soda and vinegar bubble and make co2 and burning wood creates gas and smells and creates a new substance co2 hope this helps god bles
Scientists claim that global climate change is threatening many species with extinction. Which statement provides the strongest evidence for this claim?
Scientists claim that global climate change is threatening many species with extinction. Which statement provides the strongest evidence for this claim?A. As humans develop more land, natural habitats are lost or fragmented. B. In many species, life cycle events are adapted to occur with seasonal temperature changes. C. Species survive only in specific habitats, and cannot relocate when their environment changes. D. Species can tolerate variations in temperature, but not variations in precipitation, humidity, or other weather factors.Scientists claim that global climate change is threatening many species with extinction. Which statement provides the strongest evidence for this claim?
Answer: Option B
Explanation:
The animals that live on the earth in many different regions because they are adapted to live in a particular habitat. The animals of the polar regions cannot adjust living the Sahara desert and the reptiles living in the desert cannot live in polar regions.
But many of the species are dependent on the seasonal change and they only emergence or produce during specific period of time.
But if due to global climatic change there will be no emergence of particular species and their species will be extinct over a period of time. So, the global temperature needs to be constant in order to support life of the species dependent on the seasonal temperature change.
Which best describes the results of this experiment
Answer:
The dark-colored moths were more fit.
Explanation:
what is the connection between a circadian rhythm and the biological clock
Answer:
Circadian rhythms help determine our sleep patterns. The body's master clock, or SCN, controls the production of melatonin, a hormone that makes you sleepy. It receives information about incoming light from the optic nerves, which relay information from the eyes to the brain.
Put the steps of the interaction between actin and
myosin during muscle contraction in order from
first (1) to last (3).
The myosin head rotates, causing overlap
with actin.
The myosin head attaches to a binding site
on the actin filament.
The myosin head detaches from one
binding site and reattaches to another.
Answer:During muscle contraction, the sequence of events involving myosin can be summarized as follows:
The myosin head attaches to a binding site on the actin filament.
The myosin head rotates, causing overlap with actin.
The myosin head detaches from one binding site and reattaches to another.
So, the correct order is:
The myosin head attaches to a binding site on the actin filament.
The myosin head rotates, causing overlap with actin.
The myosin head detaches from one binding site and reattaches to another.
Explanation:
Answer: If YOU ARE ON THE INSTRUCTION I GIVE THE 1st AND 2nd QUESTION AND ANSWERS
Put the steps of the interaction between actin and myosin during muscle contraction in order from first (1) to last (3).
2 - The myosin head rotates, causing overlap with actin.
1 - The myosin head attaches to a binding site on the actin filament.
3 - The myosin head detaches from one binding site and reattaches to another.
Complete the following statements.
Calcium ions are necessary to activate the binding sites on the actin filaments.
The molecule ATP is required each time the myosin head detaches from one site and reattaches to another.
What type of disease transmission is most likely represented by the graph shown below?
Answer:
A. Person to person.
Explanation:
The graph shows that the disease spreads slowly at first, then rapidly, and slowly at the end. This pattern of transmission is most characteristic of a disease spread from one person to the next. When only one person has the disease, the rate of transmission is slow because that person may only meet a few others. But as the number of people with the disease increases, the number of meetings that spread the disease also increase. At this time, the disease can spread very rapidly. The disease spreads more slowly again when there are only a few people remaining that do not have the disease. With foodborne and airborne diseases, the rate of disease spread is most rapid when the disease first arises and the greatest number of possible victims are available. Graphs of foodborne and airborne transmission show the greatest rate of disease spread at the start of the outbreak.
FYI: This isn't my explanation this is the explanation the question gives! :)