Questão 2 - Façam uma pesquisa sobre as principais descobertas da Química dos últimos anos e o nome dos cientistas envolvidos.

tracks, burrows, eggshells, nests, tooth marks, or gastroliths

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.