If resources get low, the population's numbers can decrease.
A human instinct because our instinct is survival
Nitrogen and oxygen are the main constituents of the atmosphere plus water vapour near the surface. Carbon dioxide is present in smaller amounts butgl of course it can have a profound influence on the climate as global warming has shown, Greenhouse gases include water vapour, carbon dioxide, methane and nitrous oxide.
Answer:The first cities were created on the coasts of East Africa.
Explanation:
Answer:
North American Tectonic plates