Respitory, cardiovascular, digestive
Answer:
<u>d. Evolutionary psychology</u>
Explanation:
Evolutionary psychology is based on the theory of evolution, which states that behavior is much regulated by the principle of adaptation among others.
Survival depends on people to keep the reproduction of the specie, that is why sexual reproduction serves to adaptation.
Answer:
Puerto Rico, Philippines Islands, and Guam.
Explanation:
The gold standard is B) a system in which a country's money is backed with gold.
It is a monetary system where a country's currency or paper money has a value directly linked to gold.
Answer:
when the supply is low
Explanation:
because the higher the demand the lower the price
the lower the supply the higher the price