Answer:
Explanation:
11= vena cava
12= right atrium
13= the red one that i can't see lol
14= right ventricle
15= pulmonary artery
16= pulmonary veins
17= left atrium
18= left ventricle
19=aorta
Answer:
I believe it's<u> b. survive and reproduce.</u>
Normally a 10× drop for each trophic level, so I'd say 2,000 kilocal.
You can use A.D for before his birth and B.C. for after.