What is the best way to to find out whether the given substance is hard or soft?

4. Josie and Billy have dated so long they often are able to finish each other's sentences. Although they think it is cute, it can be the beginning of which communication roadblock? a mixed messages b mindreading c different outlooks d tuning out

What are the two major characteristics that change when air is heated and cooled? How do these characteristics change the movement of air?

Each croquet ball in a set has a mass of 0.50 kg. the green ball travels at 10.5 m/s and strikes a stationary red ball. if the green ball stops moving, what is the final speed of the red ball after the collision?

Which method is used to counteract the effects of erosion caused by water

A constant magnetic field can be used to produce an electric current. True or False?

Which of the following atoms do not usually form bonds

The red LED consists of a white LED covered with a red filter. What does the red filter do?

What is the net force acting on a 10 kg freely falling object?

A comet is a A. meteoroid that travels through Earth's atmosphere and hits the surface. B. meteoroid that burns up in Earth's atmosphere, producing a streak of light. C.

Can Someone explain the steps for this? A lovesick lad wants to throw a bag of candy and love notes into the open window of his girlfriend's bedroom above. Assuming it just reaches the window, he throws the love gifts at 16.