its is making no net release of carbon dioxide to the atmosphere,especially through offsetting emissions by planting trees
Answer:
D: to transport materials through the body.
Explanation:
A: to bring oxygen into the lung. is incorrect because it's respiratory system
B: to put carbon dioxide into all the blood vessels carbon dioxide is exhaled out of the body
C: to expel waste products from the body. is excretory system
A.) half - life of a radioactive substance is defined as the time during which concentration of the substance becomes half the initial value.
