Why would a doctor most likely restrict a patient’s contact with other people while the patient receives internal radiation?
a. the patient’s stress and anxiety would be eliminated.
b. high levels of radiation can diffuse through the patient’s skin.
c. social contact would increase the effect of the radiation treatment.
d. radioactive material can leave the patient’s body through saliva, sweat, and urine.

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.