11. <span><span>their population crashed.
</span><span>
12. </span></span><span>dead zone
13. I believe </span><span>energy efficient</span>
The correct answer is D. All of the methods listed above are ways of inserting new sheets into a workbook.
Answer:
I believe it is a sperm cell.
Explanation:
Not a sex cell because that can apply to both female and male reproduction.
Answer:
Explanation:
This is unsolvable if you have no variable substitutes