4 billion years ago the temperature was much higher due to repeated volcanoes and hot gases present in the atmosphere. There weren't any live forms on earth. ... The atmosphere had a different concentration of gases on the earth. There were no life sustaining gases.
Answer:
You can determine something is living by classifying it if it has the seven characteristic of life
I believe the difference is that Tropical rainforests are warm and moist while the temperate rainforests are cool. Temperate rainforests have four seasons; spring, summer, fall and winter, while tropical forests experience warm weather all year round and do not have the same set of seasons. Additionally; tropical rainforests experience much higher rainfall than temperate rainforests.
A plant cell has chloroplasts.
An animal cells doesn't.
