When dead animals decompose which of the following is released into the atmosphere

◎ oxygen

◎ calcium

◎ carbon tetrachloride

◉ carbon dioxide

Explanation:

Once animals die, they release carbon compounds into the atmosphere and into the ground as they decompose.

Hope this is helpful!

#pennfoster<3

can you make it bigger i can't see it

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.