Calculate your average annual radiation dose by filling in Tabel 15.7. Compare your annual dose to the U. S. annual average of 360 mrem (3.6 mSv). One mrem per year has about the same effect as increasing your calorie intake by 4%, or taking a five-day vacation in the Sierra Nevada mountains.

the solar system used to have much dust particles option no d

conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.

po-215 i got it right on the quiz

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.