Which events contributed to life evolving on Earth? Check all that apply. Organisms began to photosynthesize. The surface cooled, and water condensed. Volcanoes added carbon dioxide to the atmosphere. Ozone formed and blocked ultraviolet rays from the Sun. Comets crashed into Earth, releasing water.

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

it creates acid rain

carbon

explanation:

multiplying and dividing the two decimals and the eqations by the same number of the overalls