Pair production<span> is a direct conversion of radiant energy to matter. It is one of the principal ways in which high-energy gamma rays are absorbed in matter. </span>
The average adult in the us spends 24 hours watching televistion each week
Answer:
it started to move a 1 second
question 2 answer is ALL OF THE ABOVE
question 3 answer is WARM AND MOIST.
Heat engines are less than 100% efficient because absolute zero cannot be reached
