The Proterozoic division of the geological time scale is an era of the Phanerozoic eon. The Proterozoic division began 2.5 billion years ago and ended 542.0 million years ago.
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The answer is 640 ounces in a 5.0 gallon container
Answer:
<em>Coal ash contains toxic levels of several different pollutants, so when it is collected and stored long-term in coal ash ponds, there is increased
</em>
<em>risk of exposure to toxic metals.</em>
Explanation:
The option above best describes an environmental disadvantage of using industrial scrubbers and electrostatic precipitators for pollution abatement.