Chemistry, 15.10.2020 07:01 Kjswagout40081
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Sort the questions based on whether they are better answered by an observational study or a controlled experiment.
How effective is a new
mothpaste in reducing
cavities?
How does the daytime
temperature affect the
formation of dew at night?
Which is a better absorber
of heat, an object painted
black or the same object
painted white?
Can plants prepare food
even in artificial light?
Why does a rolling ball slow
down as it moves?
Observational Study
Controlled Experiment
Answers: 1
Chemistry, 21.06.2019 22:20
One or more substances changing into one or more substances is an example of a
Answers: 1
Chemistry, 21.06.2019 23:00
Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom
Answers: 1
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