21. on first attachment is secondary succession
22. is the degree of variation of life....
genetic, species or ecosystem within a specific area, system or planet
23. the last one is wrong = )
I believe that the answer is telophase were the Nuclear envelope becomes visible again.
Hope this help.=)
Answer:
The first (A) produces cell that are identical to the original cell.
Explanation:
The mass on mars is 38 percent of earth. Ex: dog weighs 100 on earth, and 38 on mars. 38 percent of 150 is 57 :P
