Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas
which group of statements best describe all of the materials he is using in the investigation?
they are each compounds. each of the compounds is made of atoms. all of the atoms are made of matter
they are each made of matter some are compounds and some are elements. they all contain atoms
they are all elements some contain molecules of the same type of atom fome contain different types of atoms
they are each made of matter some are compounds made of one type of element some are pure atoms

did you mean: energy is defined ashyperactivitya caloric measurementthe ability to move matterthe ability to think and analyze this form of energy is called "energy in motion" or "energy of moving matter"potential energy kinetic energy electrical energy1 ptlights on a stage can be examples of all of the following forms of energy exceptelectrical energylight energythermal energysound energywhen one type of energy changes to another this is called energy energy is stored based on their position or shape this is called energy.kinetic potential sound electromagnetic

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

b is the correct answer