Which form of carbon dioxide affects global temperatures? A. Carbon stored in plants
B. Dissolved carbon dioxide
C. Atmospheric
D. Geologic

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees