Neptune takes the longest to orbit the sun because its distance from the sun is really far away.
hope i helped :)
Answer:
Carbon Dioxide / Gas
Explanation:
When carbon is in the atmosphere it is usually in the form of molecules of carbon dioxide that is released by living organisms such as humans, plants, animals etc and it is a gas.
I hope this answer helps.
Answer:
d . different population of the same species physically separated from each other forming new species.
