Answer:
I think it's the 3rd one....anything with molecules; matter
Idk you tell me fam how happy are they
Answer:over time as our evidence improves. The more experiments we do, and the more data we collect, the better our scientific ideas become.
Explanation:
Answer:
Explanation:
When blood is pumped into the thin-walled blood vessels of the lungs, carbon dioxide is replaced with oxygen. The pulmonary arteries carry the blood that has been pumped from the right side of the heart to the lungs for the oxygenation which is returned back to the left atrium by the pulmonary veins.
