Answer:
I believe that the answer is A or C.
Explanation:
Hope this helps!
=)
Animals cells are found inside the animals body. We have no exact place where it is found ;)
Answer:
You didn't upload the model, so we cannot answer this question.
Explanation:
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