Answer:
they are able to perform a specialized function in the body
The best answer would be "research reasons why species change over long periods of time"
if not i apologize but this is my best guess<span />
Answer:
Carbon dioxide is a gas consisting of one part carbon and two parts oxygen. It is one of the most important gases on the earth because plants use it to produce carbohydrates in a process called photosynthesis
Explanation:
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mechanical, kinetic, potential, gravitational, thermal, chemical, electrical, light, radiant, sound, and nuclear.