As mountains are forming, they are also being torn down by the process of

a) Volcanism
b) Plate tectonics
c) Folding
d) Erosion

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies? a. it's a region that exhibits a weak gravitational pull, thus maintaining a safe distance from the sun. b. it's an area that doesn't experience any major weather events that could cause mass extinctions. c. it's an area that's an optimal distance from the sun for potentially supporting life. d. it's a region that's unaffected by asteroid or meteor impacts.

Soil is made of air water organic material minerals weathered rock