What is described as a special class of materials that conduct electric charge better than electrical insulators but not as well as electrical conductors? magnets
ions
Semiconductors
isotopes

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As , plants meet their needs for making food from air, soil, water, and the sun's energy in a process called there are plants called grow high in trees without here are words to put in the blanks. 1.) producers 2.) consumers 3.) chloroplasts 4.) epiphytes

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential