Express in scientific notation. choose the answer with the proper number of significant figures. (3 x 104) (4 x 1023) = 1227 12 x 1027 10 x 1027 1 x 1028

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

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

Geothermal energy for industrial use is available almost anywhere. a.true b.false