How much longer (percentage) is a one-mile race
than a 1500-m race?(the metric mile)

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.

Which of the following compounds would be primarily ionic? methane, ch4, ammonia nh3, calcium chloride, cacl2, or carbon dioxide, co2

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created