Which of the following cools the air in a household refrigerator

Decreased sensitivity to an unchanging stimulus is known as

It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.

Abus travels 280km south along a straight path with an average velocity of 88km/h to the south. the bus stops for 24 min, then it travels 210 km south with an average velocity of 75 km/h to the south. how long does the total trip last?