Ca₁₀(PO₄)₆(OH)₂ - hydroxyapatite
b. phosphorus (P) and calcium (Ca)
Leaving a basketball out in the cold weather. When a basketball if left in a cold garage or outside during the cold months, it loses its air inside (or volume).
If I remember correctly, you would have to heat the reaction beaker over a burner..
I apologize if I'm wrong
Answer:
a. Change of state
Explanation:
Because you will see that the state has changed
Answer:
The Answer would be B (Materials can be seen in picometers which are trillionths of a meter or the size atoms.
Explanation: