There are different star systems. Binary star systems consist of two stars. Multiple star systems consist of two or more stars. The meaning of star system is "A small number of stars."
I think it's either A) a group of hundreds of stars, or B) a group of two or more stars. I would assume it's B), but i could be wrong.
Hope this helps!
One of the most abiotic factor that may affect humans directly is waster availability because with out water we can get dehydrated and die.
Explanation:
The cell is the basic unit of life
Answer:
c - having controlled experiments within ethical limits.
Explanation:
