Answer:
B
Explanation:
the size of pot is given two sizes, large and small, whereas the rest are the same therefore, the size of pot is being tested
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.
An organism that obtains energy and nutrients by feeding on other organisms or their remains. A food web is a model of the feeding relationships between many different consumers and producers in an ecosystem. Without plants (the primary producers) consumers and decomposers would not be able to live. Producers always start every food chain. A consumer, also called a heterotroph, is an organism that cannot make its own food. It must eat producers or other organisms for energy.
Answer:
True
Explanation:
Assumption of risk is a defense in the rule of offences, which bars or decreases a plaintiff's right to retrieval in contradiction of a inattentive tort feasor if the offender can prove that the plaintiff willingly and meaningfully expected the hazards at subject inherent to the unsafe action in which the plaintiff was contributing. The most shared specimen is a waiver of obligation employed earlier contributing in a hazardous action. Frequently at matter in belongings where the respondent gifts an rapid statement of the danger defense is whether the plaintiff decided to assume the risk of the specific harm that happened.