What is the overall effect of earth's global atmospheric circulation?
a. it moves heat from the equator toward the poles.
b. it creates mountain, sea, land, and valley breezes.
c. it forms hurricanes in tropical areas near the itcz.
d. it causes the atmosphere to rotate from west to east.

Which of the following is true about fossils? a. the relative age of fossils cannot be determined from their position in sedimentary layers. b. fossils found in lower layers of sedimentary rock are as old as fossils found in upper layers of sedimentary rock. c. fossils found in upper layers of sedimentary rock are older than fossils found in lower layers of sedimentary rock. d. fossils found in lower layers of sedimentary rock are older than fossils found in upper layers of sedimentary rock.

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

The body paragraphs in an informative essay should include clear examples. a thesis statement. restated evidence. a clear direction.