Answer:
A is the answer the reason why is because I got it right when I was doing my test
Answer:
Rb
Explanation:
This is because they are in the same group which means they share similar properties.
Answer A )
Potassium chloride
K+ Cl-
hope this helps!.
Answer:
A closed system is a physical system that does not allow transfer of matter in or out of the system, though, in different contexts, such as physics, chemistry or engineering, the transfer of energy is or is not allowed.
Explanation:
Answer:
Some scientists hypothesize that Earth's ozone layer is being damaged by chlorofluorocarbons .
Explanation:
Please mark brainliest and have a great day!
