Answer:
Ionization and dissociation
B . microscope
this is the answer .
The Earth's crust or is it the continental plates one of the two but they push against each other costing a tsunami.
Because it's protected from air because air makes it turn brown.
Answer:
6.791
Explanation:
For proper significant figures with addition, you would use the significant figures of the number with lowest decimal place. 6.298 goes to the 10⁻³ place. 0.492712 goes to the 10⁻⁶ place. You will go out to the 10⁻³ place.
6.298 + 0.492712 = 6.790712 ≈ 6.791
