Answer:
Genetic variation.
Explanation:
It is caused by genes inherited from parents to offspring. It is a result of genetic information from parents.
HOPE THIS HELPED
Answer:
It is difficult to cross.
Explanation:
The Sahara desert is a vast region about the size of the continental United States that is extremely dry and barren. The lack of water resources in the desert make the land unsuitable for agriculture and human population.
As a result, the Sahara acts as a giant natural wall both economically, culturally, and socially since relations between states to the north and south of the desert are difficult.
Answer:
Yes that is true
Explanation:
La Niña brings cooler water
Answer:
How, Why And When The United States Entered The War. Although many countries were drawn into the conflict of World War I, the United States maintained a policy of isolationism advocated by President Wilson.
Answer: I believe the answer is mountains.
