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Which would be least helpful in reducing indoor pollution?

A. Having indoor plants

B. Opening windows

C. Installing HEPA filters

D. Increasing the house temperature

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Beverley Smith
Beverley SmithLv2
13 Mar 2020
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Related questions

Which of the following statements is true of trophic levels in an ecosystem?

a) Food chains are accurate representations of dynamics in an ecosystem.

b) In terrestrial ecosystems, primary producers commonly eat plants.

c) Food webs are easier to interpret than food chains.

d) The least amount of energy is available at the top of a food chain.

which of the following statements accurately describes nuclear fusion reactors?

a) Fusion reactions require very high temperature

b) Nuclear fusion occurs in Earth's crust.

c) Fusion reactions can fuse three isotopes of hydrogen into one helium.

d) Fusion would be a more advanced technology if governments had provided some money for research or if attempts to develop it were more than just a few years old.

Which of the following organisms would be most likely to be preserved in the geologic record?

(a) the bones of a dinosaur that lived in a humid environment

(b) a clam with a thick calcite shell that lived on a mudflat

(c) a tree

(d) a mussel that clings to the rock

 

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