Ocean temperature - Ice, chemical isotopes in foraminifera
Carbon dioxide levels - Ice, tree rings
Kinds of plants - Tree rings, fossilized pollen grains
Rainfall - Tree rings, fossilized pollen grains
Drag each item to indicate what scientists can learn about by studying it. Each term may be used more than once.(2 points)
Ocean temperature | Carbon dioxide levels | Kinds of plants | Rainfall
items: ice, tree rings, fossilized pollen grains, chemical isotopes in foraminifera
1 answer
1 answer