Answer:
C
Explanation:
Over time the pond accumulates nutrients. This enrichment process is called eutrophication. The addition of nutrients stimulates the growth of aquatic life. These organisms live and grow and die
In DNA there are two types of strands, 5'/5 prime, which is the strand, aka the leading strand.
There is also the 3' strand which is the lagging strand.
The difference between these two is the the leading strand is discontinous during replication, they must create ozaki fragments.
The other lagging strand can just have the whole strand replicated at the same time
Hey you! Here's your answer:
1) Scientists discovered ways to derive embryonic stem cells in 1981, more than 30 years ago.
2) Canadian Scientists Dr. James Till and Ernest McCulloch, who did pioneering studies in stem cell research, were the first to discover stem cells.
3) Thousands of experiments and studies have already been conducted on stem cells and research.
I Really Hope This Helped You! :)