The right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body.
Deforestation would result in a decrease in the carbon sink
A because that animal is something else’s food then that animal decreases on number which means the other animal decrease in number and so on until it gets to the human population
1. is A
2. is D
hope i help
