How are rocks that cooled within magma chambers found on Earth’s surface today? They are pushed up by magma under Earth’s surface. They are revealed by erosion of Earth’s surface over time. They are pushed to Earth’s surface because of their larger size. They are revealed at Earth’s surface due to their low density.

answer is B They are revealed by erosion of Earth’s surface over time.

Explanation:

I just took the test and got it right. :)

the hollywood film industry of 1950 was threatened on several different fronts. television broadcasting was rapidly becoming the dominant entertainment medium in the united states. the paramount anti-trust consent decree requiring separate ownership for production companies and theater chains had gone into effect on 1 january 1950. large numbers of young men and women were marrying, having children, and moving to the suburbs, which affected the viability of downtown first-run movie theaters. foreign revenues were endangered by protectionist tactics including quota systems, high taxes, and blocked funds. finally, the morality and patriotism of hollywood films and filmmakers were under attack from government, religious, and citizens' groups.

explanation:

b. ensure mutual protection from communism.

.