What percent of the Amazon's plants have scientists tested for their benefits? A. 1% B. 25% C. 50% D. 75%

What was an important effect of blackstone's commentaries of the laws of england? a. people in england no longer had to pay taxes b. common law became more accessible c. judges were able to rule as they d. the rights of the accused were done away with.

After about 1000 b.c, some people in siberia meaning their lives wre bassed on herding animals. a. pastoral b. collective c. irrigate d. dalits

Music the height of a wave or the amount of the wave carries is the amplitude. a.air b.nodes c.speed d.energy