Answer:
Deep hydrothermal oceans and the atmosphere
Explanation:
Earth or space are the two possible origins of simple organic compounds on early Earth.
B Since protons and electrons have to be the same amount!
Answer:
Explanation:
These changes have been triggered by the changing configuration of continents and oceans, changes in the Sun's intensity, variations in the orbit of Earth, and volcanic eruptions.
If you mean connected as in how they all work together in efforts to keep their ecosystem stable then true. But if you mean in a connected in a common ancestor kind of way then false.
About 2 to 3 or 3 to 4 hrs. This can vary depending on the type of food as well your body movement.
