Answer:
The circulatory system, also known as the cardiovascular system, is a simple loop which starts, and ends, with your heart. It is a closed system, meaning blood does not enter or leave the system during its journey from your heart to your body and back again.
Explanation:
Answer:
the answer is actually c
Explanation:
Cold air is more denser than hot air because ,when cold air of some density, say 'd' is heated, the molecules/atoms move apart from each other and so the volume expands. i hope that helped you
Answer:
the challenges they would expect to see is the plants not having water or air
planted need water to have photosynthesis and since theres no water in space and little to no atmosphere the plants would suffocate
Answer:
If the light was artificial, the plant could survive if it has water. You could use a lamp
Explanation:
Answer:
because stagnat water contains bacteria and it is the breeding place of mosquitoes
