Understand how scientific discoveries, like atomic structure, are based upon experimentation and build upon each other, which exemplifies the very nature of science.

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?