Adding perchloric acid to water would cause it's conductivity to increase.
Answer:
They came from the element factories we call stars. Stars are mostly hydrogen throughout most of their lifespans. They are driven by massive and continuous thermonuclear reactions and gravity. ... This extra heat begins to fuse helium atoms into heavier elements like carbon and oxygen and gives new life to the star.
Explanation:
Answer: 10.5 hope this helps!
C. Adding air would add to volume. Since it's by volume not weight they'd want more volume because more volume means more money
