Which of these is an example of a mechanical wave?

A. Light from a flashlight B. Police siren. C. Sunlight D. Microwaves used to heat food.

Liquids and air resistance are always: A. fluid forces B. support forces C. applied forces D. tensional forces

Why do dogs circle three times before they lay down?

When the burner setting is changed to low the burner continues to produce heat?

Name the 5 scientists who contributed to what we now know about cells and explain their contributions.

What is the KE of a 27 kg mass moving at 3m/s?

What is the tense In sailed

Acceleration is a vector quantity. O O A. True B. False

What will happen to the brightness of a string of bulbs hooked up in series when you increase the number of bulbs in the string? A. Each light in the string will get brighter. B. Each light in the string will get dimmer. C.

What are the two factors that influence the composition of beach material

Which of the following indicates that a ChemicL change has taken place? (A) a change from liquid to a gas (B) an increase in the volume of a substance (C) a change in the color of a substance (D) a change from a solid to a liquid A precipitate is a