If a leaf appears toothed, it is a Crenate and Serrate.
D) El Nino because EL Nina is the cooling of the water.Photosynthesis is to do with plants and Tsunami is a storm
This question is based on an opinion and should not be used as a factual data resource. GMO's acceptance should continue to be limited because of the growing amount of heath problems that can be related to Genetic Modification in plants and animals.
Well it happens every six months, one in summer in June and winter December. And if i'm wrong then i understand :) <span />