Answer:
Nonpoint source pollution is difficult to control because it comes from many different sources and locations. Most nonpoint source pollution occurs as a result of runoff. When rain or melted snow moves over and through the ground, the water absorbs and assimilates any pollutants it comes into contact with.
Answer:
An atom is the basic particle elements are made from
Atoms are the simpliest form of matter. But an atom can
be classified as an element and an element can be presented various substance. An
element can be oxygen, hydrogen and so on. The combination of two or more
elements is a compound. A compound can be a molecule, same as the atom to
element.
Atomic mass = number of protons + number of neutrons.
So the number of neutrons = Atomic mass - number of protons.
Atomic number = number of protons in the atom.
Therefore number of neutrons in neon = 20 - 10 = 10.
Answer is 10 neutrons..