12,000 years ago, what changed that caused human populations to increase tenfold? Choose the best answer. Agriculture made it possible for land areas to support larger populations. Civilization made it easier for people to cooperate and share food. Improved hunting tools and methods made it easier to get food. People in earlier times had much larger families which made the population grow rapidly.

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false

Can someone me answer this question? you