The sun rose at 6:54 this morning.

is this an observation or inference?

Match the characteristic or descriptive phrase to the type of application it describes. sound waves soft-tissue imaging electromagnetic wave fetal imaging

Which situation are economists describing when they use the term scarcity? A) when one has a surplus of natural resources and/or labor B) when one does not need to make trade-offs to satisfy one's needs C) when one does not have enough resources to

What causes atoms to bond together ?!

Atomic physicists do not know why all of the atomic particles stay together within an atom

Which statement best describes heat and thermal energy? O They are different words for the same thing. They represent different concepts. Heat is what happens when thermal energy stops moving between substances.

ou purchase a rectangular piece of metal that has dimen - sions 5.0 * 15.0 * 30.0 mm and mass 0.0158 kg. The seller tells you that the metal is gold. To check this, you compute the average density of the piece.

Which are true: 1) Two negative charges repel each other. 2) A neutral object contains no charge carriers. 3) Electric charge is quantized. 4) Electric charge is conserved. 5) Two positive charges attract each other.

Would ice be considered a fluid or solid?

A worker pushes a box in a factory. In each case, decide which force has the greater magnitude: the force exerted by the worker on the box or the force exerted by the box on the worker.

To determine power we need to know the A. energy required and the time it takes B. amount of work and the distance covered C. amount of work in a given time D. distance and time it takes to do work