Which is the best definition of the term fossil? A: preserved remains or traces of a living thing
B: energy-rich resource formed from once-living organisms
C: type of rock formed by weathering and deposition
D: process that changes the surface of Earth

What abo controlling alleles could kim give her child

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

Which of the following may one conclude from a map that shows the average ph value of rainfall in the u. s.? acid rain is a more serious problem on the east coast. acid rain falls equivalently across the continental u. s. there are more factories on the west coast. the midwest has fewer forests than the rest of the u. s.