Contrast: Insects may have entered a cool home and earthworms would have escaped to under the cool soil.
Compare: They both may have gone to a chilly area from their instincts.
<span>If you hold your breath, <span>carbon dioxide </span></span><span>builds up in your blood
The reason for this is:
When you exhale or breathe out, you exert or let out carbon dioxide. So, if you were to hold your breath, it would build up because it is not being exerted.
Hope this helped you!
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Answer:
Are
Explanation:
"Fish" are plural, which means you need a plural verb. "Are" is the plural verb.