Answer:
The correct answer would be A.
Naturally occurring, inorganic, crystalline structure is a mineral
There should be 2 since there’s 2 D atoms in the reaction.
Protons = atomic number = 11
electrons = proton number = 11
neutrons = mass number - atomic number = 23-11 = 12
Answer:
A) Iris
Explanation:
The Iris controls the diameter of the opening in your eye, thus also controlling the amount of light let inside. It's also reponsible for the colour of you eye.
