What has led to much of the erosion in the world s grasslands?
a. wind
c. water
b. acid rain
d. over-grazing

Select the correct text in the passage. the moving continents affect all subsystems on earth. which sentence identifies a potentially negative consequence of shifting continents? the supercontinent pangaea began to break up about 175 million years ago. [during this process, more coastline was exposed as the landmasses separated]. [the rearrangement and displacement of these huge landmasses resulted in the diversity of plants and animals we see on earth today]. [the movement of the plates sometimes leads to earthquakes and tsunamis]. however, over the long course of earth's history, their effects are usually minimal. in oceans, the plate movements usually lead to seafloor spreading. [seafloor spreading often results in the formation of underwater ranges of mountains].

Which is not part of the definition of a family? two or more related people living together being married or in a partnership a single person living alone choices a and b

Hurricanes a. usually form over land b. usually intensify over land c. gain strength from ocean heat d. usually form over the poles