Do these muscles contract as an object approaches or farther away?

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

How many types of rock can form from the rock cycle

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water