. What is the “it” that the world as we know it would not be able to exist without?

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.

The energy released by a nuclear fusion reaction is produced when