Answer:
https://socratic.org/answers/220339
this is the answer , my grandpa create this page
Explanation:
9.there are thermal cups that we use
The answer would be 6 e-. This is becuase you are turning a charge of -4 into a +2. In order to do this, you transfer 4 electrons for a neutral charge, and an additional 2 for a charge of +2.
This makes a total charge of +2, and the total transferred electrons 6 e-
The liquid nitrogen freezes the balloon and shatters it on contact
Light moves in a straight line except at surfaces between different transparent materials, where its path bends.
