What are dielectrics? Give examples

Which of the following body systems does the immune systems rely on to provide the first line of defense against pathogens? A. Integumentary system B. Nervous system C. Circulatory system D. Endocrine system

How many neutrons are in an atom of carbon with a mass number of 13 A) 5 B) 6 C) 7 D) 13

Use organelle in a sentence

3 Select the correct answer. How does the law of conservation of energy apply to machines? A. Machines create energy from scratch. B. Machines consume energy until no energy remains. C.

A car crash causes an acceleration of 6.2 g. What is the car's acceleration in meters per second squared?

A sound from a source has an intensity of 270 db when it is 1 m from the source. what is the intensity of the sound when it is 3 m from the source?

What experimental term is it when a ruler is dropped to the floor?

Where is most of the energy from incoming waves focused? A. spit B. headland C. underwater D. barrier beach

Exoplanets (planets outside our solar system) are an active area of modern research. Suppose you read an article stating that there is a newly discovered planetary system with three planets.

A car with a mass 1200 kg accelerates at 1.89 m/s2. What is the total force exerted by the car on the road (answer in N to two decimal places) ?