They come from the atmosphere, since plants use carbon dioxide to produce carbohydrates :)
The best and most correct answer among the choices provided by your question is The best and most correct answer among the choices provided by your question is the last choice.
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Kingdom Protista is not valid under evolutionary classification because they evolved before any other kingdom, and as such share a most recent common ancestor with each other, as opposed to any other group.</span>
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Answer:
In a homogenous mixture all the substances are evenly distributed throughout the mixture (salt water, air, blood).
Explanation: i think this is right
Answer:
No viruses are not considered as living organisms, until they enter the body of the host
Answer:
A. Use a greater number of plants
Explanation:
