Eccentricity (e) describes how circular earth’s orbit is. if e = 0, the seasonal changes on earth would be

a. the same in both hemispheres
b. more extreme and hotter
c. milder and cooler

How can studying economics us make better choices about how to use scare resources

How does rain water cause erosion and deposition? a. when acidic water soaks into the ground, water dissolves limestone, resulting in the formation of caves.b. when a river overflows it moves downhill resulting in the formation of caves.c. when it rains, water flows into rivers and streams and moves back to land, resulting in the formation of caves.d. when water empties into lakes, sediment is deposited, resulting in formation of caves.

Which australian state leads the nation in the production of dairy products? a. western australia b. northern territory c. queensland d. victoria