It would be 10
Atomic number = Number of protons
so, 10 = 10
Option D is your answer.
Hope this helps!
Continental drift is destroying the Earth's crust. Because the continents are slowly moving the earth's crust is stating to crack or create volcano's.
The answer is guard cells.
Guard cells are cells surrounding each stoma. They help regulate the rate of transpiration by opening and closing the stomata. They are specialized cells in the epidermis of leaves, stems and other organs that are used to control gas exchange. They are produced in pairs with a gap between them that forms a stomatal pore (stoma).
Ageing is the word that describes all that change as the organism evolve and it also includes growth !
