13. A 15.75-g piece of iron absorbs 186.75 joules of heat energy, and its temperature changes from 25°C to 175°C. Calculate the specific heat of iron.

D.na is the answer hope this

Sun is explosive itself spread 9 planets.earth is 3rd explosive in the solar system about 500 hundred million years ago . first earth became ice age and freezing climate.centre of earth magma. north zone is artic . south is anatric

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.

Your question is not clear but if you can explain yourself i would be glad to .  just trying to : ))