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Which temperature scale has no negative temperatures? a.) Celsius b.) Fahrenheit c.)Joule d.) Kelvin
The Kelvin scale is the temperature scale that has no negative temperatures. Your answer is d.) Kelvin.
Expert answered|vchutkan|Points 5854|
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Asked 9/23/2013 2:47:30 PM
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Which of the following best describes an example of pure chemistry? a.) testing the effects of lower concentrations of a drug on humans b.) studying chemicals containing carbon c.) developing a cure for osteoporosis d.) finding an antidote for a new strain of virus
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Asked 9/20/2013 7:14:26 AM
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Which of the following is an example of a current research focus in chemistry? a.) development of smoke detectors for common use b.) using hook-and-loop tape in clothing industry c.) applying gene therapy to treat certain diseases d.) studying coal combustion as an energy source
Weegy: c.) Applying gene therapy to treat certain diseases - - is an example of a current research focus in chemistry. User: Which of the following was a major contribution to chemistry by Antoine Lavoisier? a.) he showed the oxygen is required for material to burn b.) he demonstrated the presence of philologist in air c.) he encouraged scientists to form explanations based on philosophical arguments d.) he developed the science of alchemy Weegy: The following was a major contribution to chemistry by Antoine Lavoisier: a. He showed that oxygen is required for material to burn. User: Which step in the scientific method requires you to use your senses to obtain information? a.) revising a hypothesis b.) designing an experiment c.) making an observation d.) stating a theory Weegy: c. making an observation Is an step in the scientific method requires you to use your senses to obtain information User: the variable that is observed during an experiment is called what type of variable? a.) independent b.) manipulated c.) controlling d.) responding Weegy: The variable that is observed during an experiment is called independent. (More)
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Asked 9/20/2013 2:34:38 PM
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the variable that is observed during an experiment is called what type of variable? a.) independent b.) manipulated c.) controlling d.) responding
Weegy: The variable that is observed during an experiment is called d.) responding. (More)
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Asked 9/20/2013 3:05:38 PM
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Separating a solid from a liquid by evaporating the liquid is called____? a.) filtration b.) condensation c.) solution d.) distillation
Weegy: Separating a solid from a liquid by evaporating the liquid is called filtration. (More)
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Asked 9/20/2013 3:21:36 PM
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