amandaaarmentaa
16.12.2021 •
Chemistry
Which best explains a primary reason for the inability of life to exist in Earth’s early atmosphere?
A. There was insufficient energy from material collisions to change their density.
B. High temperatures during Precambrian time caused surface water evaporation. C.Volcanic eruptions and comet collisions added different gases to the atmosphere D.Available oxygen was used to help create an ozone layer within Earth’s atmosphere.
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Ответ:
Elements that are metals tend to lose electrons and become positively charged ions called cations. Elements that are nonmetals tend to gain electrons and become negatively charged ions called anions. Metals that are located in column 1A of the periodic table form ions by losing one electron.