Answer:
Secondary consumers
Explanation:
With out secondary consumers there would be nothing for primary consumers to eat which will lead to the whole ecosystem dying out.
The ability for a study to reveal a statistically significant difference between the levels of an independent variable when one truly exists is known as power. A statistical test's power is the probability that rejecting the null hypothesis is valid. It can be calculated by the expression Power = 1 - beta where beta is the probability of a type II error.
Answer:
C.
Explanation:
Daily hassles are irritant minors that trigger your stress. They happen everyday and can be just frustrating, like being in a slow traffic or forgetting something important at home, or highly sad and stressful, like losing a dear relative. Studies show that people that consider they life highly stressful are three times more likely to die earlier, so stress is not only an pshychological thing, it affects the whole body.
Answer:
C
Explanation:
South America is far away and hard to reach from Africa
