Hi,
I think that you're missing some options, but here they are (let me know if I'm right!
-A population of wolves was introduced
-The amount of disease in the deer population decreased
-More grass was planted
Now, if the gene diversity decreased, it means that a lot of deer died. This could happen because wolves were introduced -this is the correct answer, and the wolves ate some deer.
<span>Sage, rosemary, thyme and oregano shrubs produce irritating or toxic substances in their roots so that other plants can't grow close to them.</span>
C. Potassium
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Hope this helps :)
Answer: The photo is correct
Explanation:A binds to T and G binds to C
