Answer:
Using a control group means that any change in the dependent variable can be attributed to the independent variable.
Explanation:
Answer:
12.000
Explanation:
di di neolithic Revolution civilizations have begun around 12.000 years ago. It coincides with the end of the last ice age and the beginning of the current geological epoch, the Holocene.
well some word like dog-food and cat-fish
are named by their looks, feel, or even what they are used for.
Answer:
They have a shared economy.
They allow easy migration