Neolithic humans built their dwellings
a: take advantage of solar and wind power
b: be easily carried from place to place
c: last only during the planting season
d: contain their domesticated pets

D: contain their domesticated pets

Explanation:

Neolithic humans started building permanent Settlements, with circular houses,  with single rooms. However, these houses were for the first time made of mudbrick. They had a surrounding stone wall that served as protection from nearby groups, as protection from floods, or to keep animals penned.

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: