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What effect did the cold stimuli have on the human body? How does this relate to homeostasis?
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For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea
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List four observations that indicate that a chemical reaction may be taking place
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Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
What effect did the cold stimuli have on the human body? How does this relate to homeostasis?...
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