I would say the last one. Yes, the coral reef in the south is being threaten but, it’s not the only one. Many other reefs are being threatened. Why? To find the problem to this reef you need to find the problems of other reefs and compare the data. Which ever the most problem cause you get rid of that first.
Adenine and thymine pair up. Just remember ATCG in that order, showing that adenine and thymine pair up, and so do cytosine and guanine
Answer:
Because Without Earthquake Research Earth Will Be DESTROYED
Asexual reproduction that produces a zygote
