Biology, 29.10.2019 23:31 bferguson8956
Which statement best describes why a chemical change is different from a physical change?
a) a chemical change results in a different state of matter, and a physical change results in a new substance being formed.
b) a chemical change is used to identify characteristics of a substance, and a physical change identifies the behavior of a substance when in a reaction.
c)a chemical change is used by scientists to create new substances, and a physical change happens naturally.
d) a chemical change results in a new substance being formed; whereas, a physical change will result in a different state of matter.
Answers: 1
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Draw the farm's ppf for corn and beef. draw a point that shows an inefficient combination of corn and beef. label ita. draw a point that shows an unattainable combination of corn and beef. label itb. draw a point that shows an efficient combination of corn and beef. label itc.
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Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.
Answers: 1
Which statement best describes why a chemical change is different from a physical change?
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