Two pieces of cardboard one located at the bottom and one on top joint by card board with balls at the bottom and top all joint. hope you can picture that, it's rather confusing, sorry.
Hope this helps
B. trna molicules check the amino acid for errors
As pollution and runoff get dumped into the ocean the acid levels go up causing acidification to happen. This harms animals, and us.
Oxidation, is a result of temperature.
The clumping together of red blood cells by the action of an antibody is known as agglutination.