Answer:
a short-term change a long-term change death adaptation. A long-term change would most likely cause a forced migration due to loss of habitat. A long-term change would most likely cause a forced migration due to loss of habitat.
Explanation:
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.
<span>An environmental factor that causes a population to decrease is death</span>
