Light shining from the surface of mars would take about 182 seconds to reach earth. light travels through space at 186,282 miles per second. which expression can be used to calculate the distance, in miles, from mars to earth? a) 186,282 ⋅ 182 b) 182 ± 186,282 c)182 ÷ 186,282 d)186,282 ÷ 182

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.