The goal was to orbit a spacecraft around the Earth. It has people in it. So the answer is B.
Answer:
3
Explanation:
not 100 percent sure but i think so
The answer is that it gives them shelter
at sea level in arterial blood it is between 35 mmHg and 45 mmHg. at sea level in venous blood it is between 40 mmHg and 50 mmHg
I hope this is right and helps:)
