What percent of the sun's energy is used by the living organism on earth a. 1%
b. 10%
c. 20%
d. 35%
e. 50%

What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc