Answer:
carbon-14 has a half-life of 5,730 years.
Explanation:
1) heat flows from hot to cold. the heat from the fire is let off from the exothermic reaction of the fire and warms up the surroundings, including yourself.
2) food is cooked in the oven by heat transfer. the heat warms up the pan and thru conduction, the food is heated and cooked.
3) I'm guessing this question is y it heats up? the answer to that is that the heat waves from the sun is absorbed into the car from radiation and thru convection the whole car is heated
Dr. Ignaz would encourage people to wash their hands often