3. Which of the following best describes the reason for climate in the tropics? A. The movement of the earth's axis calms storms in the region.

B. They receive consistent amounts of sunlight year-round.

C. They receive very little sunlight most of the year.

D. They only receive direct sunlight in what would be winter in the Northern Hemisphere.​

Plants can have a positive and negative effect on the rate of weathering

Distance that the transcontinental railroad covered from omaha to san francisco.

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.