Explain how the stomach is adapted to digest protein

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 organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these