How many watt-hours does a 80 watt light bulb use if it runs for 3.5 hours?

Why February contains 28 or 29 days?

A positive rod is placed to the left of sphere A, and the spheres are separated

What does a planet need in order to retain an atmosphere? How does an atmosphere affect the surface of a planet and the ability of life to exist?

Select the characteristics of a Christian who is in fellowship with God: righteousness wealth love prayer purity pride

Maria feels overwhelmed by everything she needs to do for school by next week. How can she best manage this stress?

What are three common forms of work in science

A boat travels north across a river at a velocity of 22 meters/second with respect to the water. The river's velocity is 2.2 meters/second to the east. What is the resultant velocity of the boat, as measured from the land?

The multiple reflection of a single sound wave is a/an a. reverberation. b. echo. c. diffraction. d. refraction.

Which of the following methods of improving air quality does not require advanced technology?

What is the process of finding the density of a liquid