Can somebody help me fill this out??

The top one is the the cow releases carbon tree uses carbon the bottom one is the tree releases oxygen and cow takes it in

Explanation:

The same thing as the other answer

Explanation:

I am to lazy to write it down

answer; polycythemia is the correct answer;

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation: