Pros and cons of reprocessing nuclear waste?

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

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

What are the major types of a chemical compound