Answer:
2,787
Explanation:
Currently there are over 2,787 active artificial satellites orbiting the Earth.
Xh is the recessive trait found in the female chromosome.
Xylem and Phloem make up Vascular Tissue.
Well a mutation is like a change in the DNA and so if there was a mutation in the antártica fish, something in their genes would change. If that mutation has a positive effect on it, then that mutation would be passed down to the generations of fish, helping that fish with its survival or something
Its a thing used in photosynthesis <span />