Answer:
The untrained dogs.
Explanation:
Because de independent variable is the one that is not been studied. The independent variable can be modified and chosen by the researcher. The dependent one shows the results.
Answer:
That statement is False
Explanation:
We did adopted that policy in the past. But we start to change it during world war II. After winning the war, united states start to gradually change its foreign policy and play a more active role in helping out other nations. (this can be seen by heading the united nations and paying contribution to fight environmental damage across the globe)
Answer:
African Americans
Explanation:
African Americans were the largest group and made the least money in the 1800's.
A chemical reaction where less energy is needed to break bonds, the reactants then are released when new bonds form in the products.