Elements 1 - a chemical substance composed of atoms of two or more different types of atoms 2- substances that are made up of only one type of atom 3- subatomic particles with a positive charge 4- only found on earth

Rue or false siblings look simila rbecause they each have some traits of their parents.

Onsider the paragraph above. what is one chemical property of water? a) water is a polar molecule. b) water is the universal solvent. c) water reacts with group 1 metals. d) water has a high specific heat capacity.

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.