Answer:
Explanation:
Electricity is a flow of tiny particles called electrons which can travel through wires. This flow is often called an 'electric current'. Just like water, which can only flow down a hill, an electric current can only flow if there's something to give it a 'push'.
sorry if im incorrect
Answer:
It's probably 50%
Explanation:
Since Bb is repeated twice, it is 50%.
Hope this helps!
is important to the transmission of nerve impulses.
a) Zinc
b) Calcium
c) Sodium
d) Iron

The difference between cytoplasm and cellcytoplasm is jelly like fluid part of the protoplasm