Cellular telephones use

a. radar waves

b. very high frequency waves

c. very low frequency waves

d. microwaves

What does the Law of the Conservation of Mass state

At what temperature is the best substance a heated gas

What is horoscope? what is its uses

If a spring has a spring constant of 2N/m and it is stretched 5cm, what is the force of the spring?

Departments A, B, and C have 10 employees each, and department D has 20 employees. Departments A, B, C, and D have no employees in common.

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?

Starting at its rightmost position, it takes 2 seconds for the pendulum of a grandfather clock to swing a horizontal distance of 18 inches from right to left and 2 seconds for the pendulum to swing back from left to right.