What is the first law of thermodynamics also known as?
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A. The law of conservation of mass
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B. The law of conservation of energy
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C. The law of conservation of heat
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D. The law of conservation of matter

Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

May someone me with these science questions