How many complete wavelengths are present in the sound wave shown?
a-1
b-2
c-4
d-...
Chemistry, 29.03.2021 17:40 Kennethabrown09
How many complete wavelengths are present in the sound wave shown?
a-1
b-2
c-4
d-6
Answers: 2
Chemistry, 22.06.2019 05:30, nuclearfire278
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease. correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 14:30, Kiaraboyd9366
Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.
Answers: 1
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Mathematics, 31.08.2021 01:40
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Mathematics, 31.08.2021 01:40
Mathematics, 31.08.2021 01:40
Mathematics, 31.08.2021 01:40
Mathematics, 31.08.2021 01:40