Which of the following best describes all magnets found in nature?

O

They have only one pole.

O

They have two poles.

O

They are made of iron.

O

They are made of nickel.

What order shows decreasing wavelength

Which of the following will happen when the force with which an object pushes down on the ground is equal and opposite to the force with which the ground pushes it up?

Which of the following is the most effective relaxation technique? A. It varies from person to person. B. Deep breathing C. Eating right D. Exercising

Balanced forces acting on an object never change the object's

What causes the global convection currents between the equator and the poles?

Which of the following statement is true regarding the study of human development?

Which type of power plant uses energy directly from the sun to generate electricity? A. Wind B. Hydroelectric C. Radiant D. Coal

What is a scientific law? an explanation that clarifies scientific observations a hypothesis that proposes an answer to a question a statement that summarizes a pattern found in nature an observation that explains a hypothesis

If the frequency of an electromagnetic wave is increased, what happens to the energy?

Under what circumstances will a binary star produce a nova?