Meg, Sandy, Chang, and Nathan used different methods to protect themselves from over-exposure to the sun. Their methods are listed below: Meg: Use a sun tanning or UV tanning booth instead of staying on the beach for long hours Sandy: Stop all outdoor activity and always stay indoors Chang: Apply sunscreen half an hour before going out and reapply every 2 hours Nathan: Use sunscreen with very low SPF once per day Who used the best method for daily activity?
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Chemistry, 22.06.2019 09:00
Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset
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Chemistry, 22.06.2019 12:40
Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?
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Chemistry, 22.06.2019 14:10
Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.
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Chemistry, 23.06.2019 04:00
What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.
Answers: 3
Meg, Sandy, Chang, and Nathan used different methods to protect themselves from over-exposure to the...
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