Why was the goal of landing a person on the moon so challenging?
People did not know very much about the moon.
The Soviet Union had already started preparing a moon mission.
Many of the necessary technologies had not been invented yet.

C is answer

How were religious services different in the first great awakening than in previous generations?

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.

Humans during the paleolithic era used fire for each of the following purposes except a. for cooking meat b. for use as a weapon c. for heat and warmth d. for treating animal hides select the best answer from the choices provided