Removing the oxygen in water
Answer by YourHope:
Hi! :)
What makes the lines that are the "fingerprints" on an electrophoresis gel?
The answer is: D) DNA fragments!
:)
Answer:
Explanation:
1.It is covered with a thick sheet of black earth, a kind of loess, that is mixed with humus.
2.The nitrogen in decaying roots, in the dead stems. and leaves of plants, and in humus generally is sooner or later changed into a nitrate, the change being effected by bacteria.
The question is asking to determine and calculate the duration or year that the plants was alive, base on the data that is represented in the problem, by my computation and further research, I would say that the plants is 2.29*10^4 years ago that the plants is alive. I hope you are satisfied with my answer and feel free to ask for more
First one - two gametes will unite during fertilization to create a diploid cell