A student visits the beach during a very hot day. She steps on the sand and jumps because it is so hot. Which type of heat transfer is demonstrated by the sand in this example?

transmission

radiation

conduction

convection

This is science but I didn't see it where it says to choose subject.

City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.

In which of these cases are the two wave points considered to be in phase with each other?

What three natural resources are found in the great lakes region