Physics, 01.09.2019 19:00 wananikwecurley99
Matter is classified by its physical and chemical properties. which is a description of the physical properties of matter?
a. physical properties cannot be measured or observed without changing the composition of the substance.
b. physical properties describe the ability of a substance to change or react based upon its composition.
c. physical properties can be measured or observed without changing the composition of the substance.
d. physical properties describe the ability of a substance to change or react based upon its appearance.
Answers: 1
Physics, 21.06.2019 19:30
Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star
Answers: 2
Physics, 23.06.2019 05:00
Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano.the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? positive force → balanced force → negative force negative force → balanced force → positive force positive force → unbalanced force → negative force negative force → unbalanced force → positive force
Answers: 1
Matter is classified by its physical and chemical properties. which is a description of the physical...
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