What is characteristic of both sound waves andelectromagnetic waves? (1) They require a medium. (2) They transfer energy. (3) They are mechanical waves. (4) They are longitudinal waves.

Why can't we store lightning? What are the pros and cons? (I need a detailed answer)

Which of the following best describes what we mean by the universe? A. The universe is another name for our Milky Way Galaxy. B. All the galaxies in all the superclusters C.

Which of the following activities would have the highest excessive momentum? a. golf b. gymnastics c. tennis d. wrestling

Which is an organic compound? A. The compound contains carbon, hydrogen, and oxygen. B. The compound contains cesium and chlorine. C. The compound contains hydrogen, oxygen, and phosphorus.

Do kinetic energy increase with height

A planet is discovered orbiting around a star in the galaxy Andromeda at four times the distance from the star as Earth is from the Sun.

Measurements of how orbital speeds depend on distance from the center of our galaxy tell us that stars in the outskirts of the galaxy. True or False

Identify what is required to calculate the atomic number and atomic mass of an element

What device is used to measure the current in a circuit

A lever allows a 35 N load to be lifted with a force of 7 N. What is the mechanical advantage of the lever?