The answer is definetly A
In celsius, water boils at 100 degrees or 100°C
Glad I could help, and good luck!
Biological hazards are substances that pose a threat to living things.
~ThePirc
<span>An individual generates some 100 kilowatt hours of thermal and kinetic energy a year. Our daily calorie intake from food is re-released throughout the day – at any one time, we’re expending the energy equivalent of a 100 watt bulb – and this alternative energy source can be harnessed. </span>