Answer:
I think the answer is A - they used X-ray analysis.
Explanation:
You could write about a fear you may have had as a child, eg. the dark, or underneath the bed, etc...
Answer:
The answer remains the same. The total amount of energy stays the same because the 1st Law of Thermodynamics states that energy can neither be created nor destroyed, it can only change forms. So the chemical energy is just being converted into heat and light.
Explanation:
hope this helps...
Answer:
The hydroxyl ions (OH-) released will combine with any hydrogen ions (H+) in the solution to form water molecules (OH- + H+ = H2O).
Explanation: