Answer:
The number of protons in it.
Explanation:
There are two properties that can be used to identify an element:
- the atomic number
- the number of protons in an atom.
The number of neutrons and number of electrons are frequently equal to the number of protons, but can vary depending on the atom in question
Answer:
D- Estuary
Explanation:
estuaries are where the tide meets a stream, they happen above the water/not very deep in the water
