Answer:
Genetic engineering
Explanation:
So there's Environmental degradation ,Ecological succession
Genetic engineering , Selective breeding . and so all the other ones aren't related to the materiel in corn so that makes it Genetic engineering ing
I think the answer is A hope this helps
Fertilizer can lead to algal bloom in aquatic ecosystems, which means that its usage may lead to oversaturation of algae in the seas and oceans. Although algae are good for these kinds of waters in limited amounts, when there are too much of them it can stifle all other life, thus having negative effects on aquatic ecosystems.
Answer: South poles will attract the North pole of the magnet and the north pole will attract the South pole.
Explanation: