A water solution whose ph is 4 is always acids right?

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied