In a cross of pea plants with round (R) yellow (Y) seeds, there will be a ratio of 9 , 3 , 3 , and 1 .

bc blah

explanation:

bc blah

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%

voluntary muscles are controlled by the cerebellum.