Answer:
DNA and RNA
Explanation:
DNA remains inside while RNA transports
Answer:
Mass of a pure substance is directly proportional to it's density.
Explanation:
When the size of a pure substance increases, it's density increases too. And when the size of the substance decreases, the density decreases too.
I'm pretty sure the answer is D
Answer:
people may get sick or kill their crops by using water thats from unfilter or unsustainable, they're could sometimes be bad chemicals and bacteria in the water
