Astudent visits the beach during a very hot day. she steps on the sand and jumps because it is so hot. what type of heat transfer is demonstrated by the sand in this example?
a. conduction
b. radiation
c. convection
d. transmission

Sasha has just gotten a new job in a nearby city. after comparison shopping, she found that renting a nice two-bedroom apartment would cost around $800 per month. her utilities would cost about $150 per month. sasha has enough money saved for a down payment, and she found that she can buy a three-bedroom house or condo with a mortgage payment of $1,000 per month, including taxes and homeowner's insurance. her utilities would cost about $200 per month. what is the advantage of buying the house over renting the apartment?