Electrons are (-) and Protons are (+)
Answer:
D 4,3,2
Explanation:
4 Co + 3 O2 ----> 2 Co2O3
Kinetic energy is energy in motion. B, a rolling ball would be your answer because a rolling ball is energy that is moving. The rest of the answers are wrong because the actions do not use kinetic energy.
Answer:
hi there !!
B) Water evaporates into steam.
this is correct because only physical state changes, steam can be cooled down to get water again.
Answer:
The electric force between them decreases
Explanation:
The force between two charged particle is given by :

Where
r is the distance between charges
If the distance between the charges is increased, the electric force gets decreased as there is an inverse relation between force and distance.
Hence, the correct option is (c) "The electric force between them decreases"