What was alchemy? A. An area of research that investigated all areas of science using chemistry B. An attempt to turn cheap metals into gold and develop potions using superstitious practices C. A part of chemistry that experimented only with metals D. An early form of chemistry based on experiments and evidence to test ideas

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