How and why had How Civilization changed over time

civilization has changed dramatically over time. Mankind started out as Cro-Magnons which are our modern human ancestors. In the Paleolithic era, hunting, fishing, and gathering were primary food sources. Early human diets were dependant on natural ecosystems. Civilization then learned how to farm and domestic animals whish was the most significant thing that happened in the new stone age.

Explanation:

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1. where does the energy of a nuclear power plant come from?

d) political bosses should not hold office

the anterior pituitary gland produces the following hormones and releases them into the bloodstream: psychotropic hormone, which stimulates the adrenal glands to secrete steroid hormones, principally cortisol. growth hormone, which regulates growth, metabolism and body       hope i