I think it's The fossil record. The same animal fossil is in Africa and South America. The animal could have not swim across so its the fossil record
<span>Clouds form when air reaches its dew point, the temperature when the air is saturated. This can happen in two ways. First, the air temperature can stay the same while the humidity increases. This is common in locations that are warm and humid.</span>
Answer:
The answer is D.
Explanation:
Closed systems can't exchange matter with the surroundings, but can exchange energy.