Which element's symbol could replace the question mark in

the diagram?

O boron (B)

O neon (Ne)

O rubidium (Rb)

O arsenic (As)

What is the sand from the beach made

If an ant were scaled up to the size of an elephant, the ant would be

What effect does dropping the sandbag out of the cart at the equilibrium position have on the amplitude of your oscillation?

How deep would you have to drill to reach the center of earth?

A force or an event that changes the earth's surface is known as A. a tectonic boundary B. an oceanographic change C. a geological process D. a geologic plate

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass

Drivers are able to see objects ahead of them because light travels through windshields.

How are trade winds affected by the coriolis effect

When a raw egg gets heated into an edible egg is this considered a physical or chemical change?