The accumulation of an early atmosphere by the release of gases from Earth’s interior because of

heating and volcanism:a.
continental accretion d. photosynthesis
b. abiogenesis e. outgassing
c. stromatolite


E

Environmental & Atmospheric Sciences

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Which environmental problem has caused many lakes to be too acidic to support most species of fish?

A. acid rain B. acid reflux C. ozone pollution D. uranium tailings

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China's plan for decreasing the rate of natural increase included implementation of a one-family/two-child policy

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

The soil shown in the photograph below has a reddish tint, which may mean that

A. it has been waterlogged at some point. B. it has abundant aluminum and/or iron oxides. C. there are salts or other minerals that have been deposited by the evaporation of water. D. it contains abundant organic matter.

Environmental & Atmospheric Sciences

What is the source of the energy that powers the Earth system?

A) the Sun B) heat from Earth's interior C) both A and B D) none of the above

Environmental & Atmospheric Sciences