How is carbon dioxide exchanged between the biosphere and the atmosphere?

1. fold your hands together so your thumbs cross over ,and look at your thumbs. which thumb feels most "comfortable" on top is actually controlled by a gene. the left thumb folding over the right thumb is a domi

What property of water provides for appropriate sugar, salt, and amino acid levels to be present and carried in the blood of animals to be delivered to cells

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?