Which phrases describe oxygen's roles in Earth’s atmosphere? Select three options.

allows fuels to burn
forms clouds that produce rain
is the gas that animals breathe
is used by plants to produce food
forms ozone that absorbs the Sun's harmful rays

Yo! a girl out ! i will give brainliest! hu one of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.

Political boundaries are determined by the political party in control at the time. true or false

Which of the following are commonly shown as a topographic map