11. A collection of a small group of factors that are related is known as a(n) a. system
b. hypothesis
c. prediction
d. objective

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive

You notice the birds sitting on the electrical wires which of the following explain why the birds don't get shocked

7types of electromagnetic waves from lowest to highest frequency