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Answers by PurplePolyhedron

Answers by PurplePolyhedron
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is using electrolysis to separate water molecules in hydrogen and oxygen atoms , a physical or chemical change?
answered Jul 15, 2019
3 votes
31.2k views
How tall was napoleon
answered Jul 1, 2019
2 votes
176k views
PLEASE HELP ME TYSM IN ADVANCE The theory of _______ tells us that favorable traits will become common in a population over time. evolution natural selection translation mutation I think its A please correct
answered Apr 13, 2019
6 votes
96.9k views
Endorphin, short for 'endogenous morphine,' is a neurotransmitter involved in ____. a. schizophrenia b. parkinson's disease c. muscle paralysis d. the perception of pain
answered Nov 18, 2018
2 votes
193k views
using whole numbers only draw every possible rectangle with an area of 18 square units on graph paper lable of the dimensions of each rectangle
answered May 13, 2018
4 votes
73.9k views
Jared wrote an equation for the perimeter of an equilateral triangle as 3x = 20. What does x represent in his equation?
answered Feb 25, 2018
6 votes
73.3k views
Which of the following statements is true? A : Burning natural gas releases methane. B : Oil can be a liquid or a gas. C : Animal waste is a source of biomass. D : Most of the world's oil is found in Europe.
answered Feb 13, 2018
2 votes
171k views
which area compromise the Northwest Territory? a.current Midwest b. current northwest c. The current Northeast d. current Southeast
answered Feb 12, 2018
7 votes
189k views
What is the difference between mount and volcano?
answered Nov 10, 2017
3 votes
24.7k views
Why would a metal shack be an unsafe home in the desert
answered Apr 4, 2017
5 votes
48.7k views
What abiotic factor could be found in a forest habitat?
answered Mar 5, 2017
1 vote
209k views
What was the repsonse of Soviets when the East Berliners defected to the West in large numbers? A. They built a wall separating East and West Berlin. B. They declared they were happy to see the defectors
answered Jan 28, 2017
4 votes
57.5k views
This element has 3 electrons in its Lewis dot structure and is in the 3p orbital section.
answered Apr 28, 2016
5 votes
22.5k views
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