Which of the following is a change from a less condensed to a more condensed state of matter?

a.) boiling
b.) evaporating
c.) condensation
d.) melting

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

What metric units would you use to measure the thickness of a key

Which substance can be broken down by chemical means