I believe the answer is Planet Nine.
Answer: A) Light
Explanation:
Hey!! It's me again because why not!!
You can't hear sound on the moon because of space. Space is a vacuum so you can't hear anything unless there is a medium for it to travel through (like air)
The genotype of a normal male zygote is XY, with the X chromosome (sex chromosome) coming from the mother and Y from the father.
A. is for your answer help this helps
