Answer:
B. A group that is treated the same as other groups except for the variable being tested.
Will you be home in about a half hour or so I’ll be home in about a half an hour I’ll be home in about a half hour or two minutes bye then bye I’ll talk talk ya soon I’ll be there tomorrow and I’ll be there tomorrow night I wanna is my way I will see if you can wisdom
Answer:
UV radiation: Ultraviolet radiation. Invisible rays that are part of the energy that comes from the sun, can burn the skin, and cause skin cancer. UV radiation is made up of three types of rays -- ultraviolet A (UVA), ultraviolet B (UVB), and ultraviolet C (UVC).
Explanation:
Some don't have any able to see effects,but some cause diseases
Yes the weaker it is the more easy it is to prey on
