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bioventing is a type of in the bioventing process, air is pumped into or out of soil to supply to microbes.

first blank choices- bioremediation, incineration, air sparging

second blank - nitrogen, carbon dioxide, oxygen.

bioremediation, oxygen

Explanation:

Bioventing is a type of bio remediation process in which contaminant is biodegraded by providing oxygen to organism of soils. This activates the activities of microorganisms and stimulates the natural biodegradatiion of hydrocarbons in soil.

Bio venting is used in soil which is contaminated by fuel or chemicals.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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a- all cells come from pre-existing cells