In an atom, the number of neutrons usually is
the same as the number of protons or electrons.

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

How can a mixture of salt water be separated into salt and water