How many molecules are there in 11.2 moles of CO2?

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

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?

Rays from the sun are not considered matter true or false