Answer:

Explanation:
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In this case, since the kinetics of the radioactive decay is assumed to be first-order, it is possible to use the following equation to quantify that change:

Thus, given the elapsed time, 635 years, and the half-life, 1599 years, we can compute the fraction of the present amount:

Thus, the percent is:

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Answer:
C. Pangaea contained all of Earth's continental crust.
Explanation:
Pangaea is the name given to the supercontinent that contained almost all of the landmass on Earth. The remaining area was ocean.
Answer:
conditioning
trial-and-error learning
insight learning
imprinting
the process of associating a stimulus with a good or bad outcome
the process of using prior knowledge to solve a problem
a bond to a individual or object shortly after birth or hatching
the process of performing a behavior more and more skillf
Explanation: