<span>Earth went through a period of hot and also dry conditions and a wide spread drought.These conditions favored reptiles and therefore causing them to evolve during those conditions. Hope this helps :)</span>
A magnesium ion, Hg2+, is formed<span>.</span>
Answer:
it should be important because Energy needs to be transferred through an ecosystem to support life at each trophic leve.. hope this helps
Explanation:
