Chemistry, 18.12.2020 22:30 lilyjordan5972
3. When a chemical change occurs, no new matter is made and no matter is destroyed. This is a pa
nature. Scientists know that they can expect the amount of matter to be the same before and after the
change. Which of these is used to describe what happens to matter in a chemical change?
A. a hypothesis
B. a scientific law
C. a scientific theory
D. scientific skepticism
Answers: 2
Chemistry, 22.06.2019 20:40, larkinc2946
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
Answers: 1
3. When a chemical change occurs, no new matter is made and no matter is destroyed. This is a pa
na...
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