Answer:
Celsius is currently a derived unit for temperature in the SI system, kelvin being the base unit. ... The two main reference points of the Celsius scale were the freezing point of water (or melting point of ice) being defined as 0 °C and the boiling point of water being 100 °C.
Explanation:
Hope it helps
The answer is true. I know this because it almost happened to me.
1) is C because the arrows are pointing in so that means to squeeze
3) is A as the picture shows the dropper
