Earth's outer layer is made of many very large sections of hard, solid rock called plates. Are there gaps between the plates?

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c. ozone layer hole d. increase in sea levels

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?