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Nadya [2.5K]
3 years ago
6

Question 2 of 10

Biology
1 answer:
Naya [18.7K]3 years ago
7 0

Answer: B spreading pesticides

Explanation:

Pesticides can be harmful to humans if consumed and can also alter ecosystems by killing insects that are relied on as a food source by animals and pollinators by plants.

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Hypothesis A: If heart rate is related to caffeine intake, then coffee drinkers will have higher heart rates.
Katen [24]

Answer: D. Hypothesis B is more useful because it suggests a way to test the relationship between heart rate and caffeine intake.

Hypothesis A and B both are suggesting that caffeine intake is related to higher heart rate. But hypothesis B is proving it more certainly by suggesting the affects of caffeine intake on heart rate. As, heart rate of most people will be higher 30 minutes after they drink a cup of coffee is testifying the fact, that higher heart rate is related with caffeine intake.

Therefore, hypothesis B is more useful because it suggests a way to test the relationship between heart rate and caffeine intake.

3 0
3 years ago
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What is the strong tendency to believe that one's own culture is normal, natural, and superior to other cultures called
aleksley [76]

Answer: Ethnocentrism

Explanation:

Ethnocentrism refers to the tendency to see other people's culture i.e way of life such as mode of dressing, eating pattern, marital rites etc as INFERIOR, while ONLY your own culture is normal, natural and superior, and should therefore be adopted by all people.

3 0
3 years ago
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Which phrase describes organisms that formed index fossils?
Deffense [45]

Answer:

A

Explanation:

6 0
3 years ago
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The leaves of which plant below show the best structural adaptation for protecting the plant from predators?
omeli [17]

Answer:

the cactus

Explanation:

it has spikes that can harm the predator

4 0
3 years ago
Much of the energy used by people in both rural and urban areas is used for the same thing. However, ____________________ is pra
Archy [21]
The answer should be agriculture.

Agriculture means farming of crops or the rearing of animals, either for their own use or for commercial purposes. Rural area means a place away from the city, opposite of urban areas, with little buildings and most likely have a smaller population.

On the other hand, construction and manufacturing most likely is going to be common in urban area, as urban area is more likely to have more buildings being built and most of the products are made in the factories in urban areas. Therefore, the only activity that is almost practiced exclusively in rural area is agriculture. Urban areas don't have much space and well environment for agriculture activities.

Agriculture activities can be energy consuming as some may require different machines to help with farming processes such as harvesting or irrigation.
7 0
3 years ago
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