B.4 When the diameter doubles the volume eight times and the surface four times would be increased so that's why the answer is 4
I think it is a good reason cause if the water was bad or not what it claims then 100%of the people would be complaining about it
Bulid and repair tissues, Make enzymes and hormones, and Help prevent infection. Hope this helps!
Both black holes and neutron stars are corpses of stars that died in catastrophic explosions known as supernovas, outbursts that can make a star briefly outshine all of the other stars in its galaxy. When a star goes supernova, the core of its remains collapses under the strength of its own gravitational pull.