Which is an impossible earthquake measurement? A. 6 on the Richter scale
B . 9 on the Mercalli scale
C. 14 on the Mercalli scale
D. 14 on the Richter scale

What does the word submerged mean in the following sentence? after it rained for three days in a row, the streets were completely submerged.

Which of the following regions suffers the most from acid rain? a. the area around vancouver c. the area below atlanta b. the area below detroit d. the area above montreal

Answer this asap. why did the americans go to china? a. trading b. exploration c. land d. live stock