Which period of rock art in africa was the first to develop?

Which of the following types of reactions would decrease the entropy within a cell? digestion hydrolysis respiration dehydration reactions catabolism

An internal combustion engine uses fuel, of energy content 44.4 MJ/kg, at a rate of 5 kg/h. If the efficiency is 28%, determine the power output and the rate of heat rejection.

When you jump from a height to the ground, you let your legs bend at the knees as your feet hit the floor. Why we do this in terms in physics in momentum?

The push of energy given to electrons in a circuit is known as what?

A + B → C + D If there are 4 grams of product produced by the chemical reaction, how many grams of reactant were consumed? A) 0 grams B) 1 gram C) 2 grams D) 4 grams

Secondary evidence is the basis for drawing scientific conclusions is this true ir false

A stone tumbles into a mine shaft and strikes bottom after falling 4.2 seconds. How deep is the mine shaft?

Walking across a carpet is an example of charge being transferred by a. contact. b. induction. c. static electricity. d. friction.

Scientist have measured that the vibrations of an earthquake travel faster through solid rocks in the Earth and slower in the liquid magma deep in the Earth. This data supports the idea that A.

What is the voltage in a circuit with a resistance of 12 ohms and a current of 20 amp?