The answer is C :
It controls the entry and exit of substances.
Density
=mass÷volume
=19.67÷5.90
=3.33 g/ml
Answer:
A.
Explanation:
A redox reaction is a reaction when oxidation states (or numbers) change during reaction.
Answer: Well!
Explanation: I was going to answer D but fverdell82156 got to it first! So I have to agree with him! It is D!
