Which best describes a wave?

a collision of particles

a disturbance that carries energy

a movement of fluids

a group of electrically charged molecules

How do you find the net force on an object if forces are acting on it in the same direction? This is Physical Science

Why does digital Radiology provide a reduced radiation dose compared to film?

The distance between the crests of waves

What os the term for the smallest bit into which chemical substance can be divided and still have the properties of that substance A : eletron B:molecule c:atom D:ion

A car drives 23m/s east for 35 seconds. What is the displacement?

For water vapor to turn back i to a liquid what do you do to it's temperature

How long will it take a car that is moving at 60 miles per hour to travel 120 miles?

Calculate the force required to give 380kg car an acceleration 10m/s square

A rock is dropped from a sea cliff, and the sound of it striking the ocean is heard 3.2 s later. If the speed of sound is 340 m/s, how high is the cliff?

If a decision was made to increase agriculture fertilizer application, which would be an example of a negative trade-off based on this decision? A) excessive nutrients B) farm profits increase C) increase crop production D) consumer prices decrease