What are the layers of the atmoshpere you get 10 points

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

Which statement best describes what happens when molecular compounds melt