Air pollution is a major health problem caused by the burning of fuels in a. vehicles.
b. power plants and factories.
c. home furnaces.
d. All of the above

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

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

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions