How do you define heat? * (1) the average kinetic energy of a substance
(2) the average potential energy of a substance
(3) the total kinetic energy of a substance
(4) the total potential energy of a substance

3 I think

Explanation:

Temprature is the avergae kinetic energy of particles.

so that means it has to be 3

if my answer helps please mark as brainliest.

true

explanation:

organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.