Answer:
Consumer is a category that belongs within the food chain of an ecosystem. It refers predominantly to animals.
Consumers are unable to make their own energy, and instead rely on the consumption and digestion of producers or other consumers, or both, to survive.
Explanation:
Answer:
(d) None of the above
Explanation:
The pH of your stomach must be highly acidic, because the optimum pH for pepsin, the chief stomach enzyme, is 1.5.
(a) and (b) are wrong, because both conditions are basic.
(c) is wrong, because pH 7 is neutral.
Hydrogen bonds allow for cohesion and adhesion. Think water properties
