Answer:
Explanation:
the lose and gain of electron makes the atom an ion it is a charged because it has different number of electron and proton the number of electron differs from the number of proton
7500000 metres
1 kilometre = 1000 metres
so 7500 kilometres would equal to 7500000 metres
A
all galaxies exploded in order to create the sun/stars
The answer is 2m high
50 millimeters i think...