Answer:
A
Step-by-step explanation:
Answer:
49
Step-by-step explanation:
cos(x)=31/47
x=cos^-1 (31/47)
What would you like help with?
Answer: D. Effects of UV rays on eyesight
Step-by-step explanation:
The whole point of this study is to find the effects of people either with wearing or not wearing sunglasses for 10 weeks and being exposed to UV rays.
The answer is the second one! :) please brainliest answer this
