<span>Leather shoes are made from natural polymers; raincoats are made from synthetic polymers. </span>
Answer:
I am getting the answer to this. I Remember doing this and I will give the answer when I find it.
Explanation:
I am sorry. I looked at it and it turned out It wasn't the same. I am very sorry. Is there a possible way I could delete this answer?
Answer:
a. 0.5 grams b. 0.25
Explanation:
Just use the half-life formula(I linked it below)
a. 4(1/2)^90/30=1/2
b. 4(1/2)^120/30=1/4
The rays can get to your skin causing skin cancer or some other disease I think.
Hope this helps... mark as Brainliest plz
It should be 1000x which is the total magnification of the whole thing... I believe. Would you happen to be doing a microscope quiz
