Where did the children use to play

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

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

What is the lowest number energy level where a d sublevel is found