Select the two reasons columbus's crew threatened to mutiny. there are two answers.
a] they were afraid of falling off the edge of the world.
b] they were afraid they could not sail home against the winds.
c] they had never sailed so long out of sight of land.
d] they did not like the food.

The mongols were descendants of a. pastoral nomadic tribes b. tibetan tribes c. shang nobility

In 1956 , what country tried to break free of soviet control

Tori is researching for her blog post about how wearing sunblock can prevent skin cancer, and she finds a page about her topic on the united states centers for disease control website at is this a reliable site for tori’s research? yes, because it is presented by a college or university no, because it is a personal opinion about the subject yes, because it is run by a governmental organization no, because it is intended to advertise a certain product