Chemistry, 16.12.2021 19:10 JANA279

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.
FAST PL >_

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 23:50, kukisbae

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

Answers: 1

continue

Chemistry, 22.06.2019 09:00, valeriekbueno

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

Answers: 1

continue

Chemistry, 22.06.2019 15:40, alleshia2007

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n

Answers: 2

continue

Chemistry, 22.06.2019 16:00, yfnal3x

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

Answers: 2

continue

You know the right answer?

Which best explains a primary reason for the inability of life to exist in Earth’s early atmosphere?...