Select the correct answer.

What does AC stand for in physics?

A.

alternating current

B.

alternative circuit

C. alternating composition

D. all charge

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Waht is a nuclar war head

Earth revolves on its own axis. true false

Which value is defined as the difference between the potential energy of the products and the potential energy of the reactants during a chemical change?

A cat chases a mouse across a 0.65 m high table. The mouse steps out of the way, and the cat slides off the table and strikes the floor 2.7 m from the edge of the table The acceleration of gravity is 9.81 m/s2.

What makes a forest sustainable?

1. a substance with a pH of 3 2. a substance with a pH of 10 3. a substance with a pH of 7 4. an indicator 5. a scale that represents the concentration of H30+, 0-14 A.) phenolphthalein B.) base C.) pH scale D.) neutral E.) acid

An advertisement uses a movie star holding a bottle of perfume. This ad is an example of which of the following? A. an appeal of association. B. an appeal to reason. C. an appeal to economics. D. an appeal to patriotism.

An example of an unbalanced force is

When the atom's electrons step down to lower energy levels in a thin cloud of hot gas, what is produced?

Which is the relationship between algae and fungus? Options: Parasitism. Commensalism. Mutualism.