i think c. is the best answer , we just got off that topic like a week ago .
<span><u>How does fossilized carbon get back into the atmosphere?</u>
</span>Fossilized carbon is coal. One major way it gets back into the atmosphere is by humans burning it in coal power plants. Carbon gets back into the atmosphere as carbon dioxide through the combustion of fossil fuels.
<span><span><u>How does a plant get nitrogen from the soil?</u>
</span></span>Plants take nitrogen from the soil<span> by absorption through their roots as amino acids, nitrate ions, nitrite ions, or ammonium ions.</span><span>
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Scientists prove their hypothesis is true about Scientists can never "prove" their hypotheses are true, because some future experiment, possibly using new technology not currently available, might show the hypothesis to be false after all.
Answer:
Saturated fatty acids don't have double bond between two carbon atoms, while in unsaturated fatty acids have atleast one double bond between two carbon atoms.
I've a trick for you to remember this
Saturated → Single Bond (you can remember by The first later of both word i.e., "S")
Unsaturated → Double Bond
<u>-TheUnknownScientist</u><u> 72</u>
