ANSWER: C, the continents were at one time joined together.
REASONING: Alfred Wegener was the first person to propose the scientific theory of Continental Drift. Continental Drift is a theory that supposes all the continents were at one time joined together as one large land mass. The mechanisms of continental drift can be explained by Plate Tectonics.
Answer:
Enterokinase is produced by the duodenal mucosa. It activates trypsin, a pancreatic proteolytic enzyme, which in turn activates the remainder of the enzymes facilitating protein digestion. The pancreas releases other proteolytic enzymes into the intestine that continue the digestive process.
Explanation:
Answer:
4.22
Explanation:
pH scale ranges from 0-14. 0-7 being the acidic range with 0 being the most acidic, 7 -14 is the basic range with 14 being the most basic.
<span>The answer to the question is that the behavior is an example of overproduction. A frog needs to lay thousands of eggs because so many of them die in the process of hatching to tadpole stage to frog. A frog lays so many eggs in the hope that a few of them will be able to reach adulthood and be able to reproduce the species in the future.</span>
<span>Metabolism is the
chemical reactions that take place inside a living organism. The reaction
occurs in the cells. Digestion can be
the best association to metabolism. The metabolic system recognizes which
substances can be nutritious or poisonous. In order to complete this process,
water is needed. The chemicals are
dissolved in water and transported. Without water, no reaction can take place.</span>
Metabolism is considered
as the set of life-sustaining chemical reactions within the living organism’s
body cells.
