The forests are the biomes that provide the world with most of its clean air.
a. true
b. false

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

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

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement