Which features do sound waves have the ocean and light waves do not

One of the methods used to reduce energy use is: a. energy efficiency c. energy conservation b. energy reservation d. energy holding

When a 75 kg man sits on the stool, by what percent does the length of the legs decrease? assume, for simplicity, that the stool's legs are vertical and that each bears the same load?

What is the name given to bacteria that don't respond to antibiotics

When a charged cloud passes overhead, the goround below is charged by A deduction B electrification C polarization D induction

In which medium is the speed of a sound wave the greatest? A) air in your classroom B) iron railroad track C) pool of water D) vacuum in space

Units for frequency?

True or false. there would be no like in earth without the sun

An electric force exists between which pair of objects? Check all that apply. a neutral object and a negative object two negative objects a neutral object and a positive object two positive objects a negative object and a positive object two neutral

What causes the acceleration to increase or decrease?

a glass rod obtains a positive chartge from being rubbed by silk. Is this due to the glass gaining protons, or losing electrons?