Answer:
Blood, the heart pumps oxygen-poor blood to the lungs to be oxygenated.
Explanation:
:) Merry Christmas!
I Lava You
A bat
Are the answers
<em>Answer: From 1990 to 2019, the total warming effect from greenhouse gases added by humans to the Earth's atmosphere increased by 45 percent. The warming effect associated with carbon dioxide alone increased by 36 percent.</em>
Stationary fronts occur when warm and cold air meet. This brings cloudy, and wet weather. So your answer would be C.