Which of the following substances is not a fluid?
air
iron
water
helium gas...
Chemistry, 20.04.2020 18:49, bettymj3071
Which of the following substances is not a fluid?
air
iron
water
helium gas
Answers: 2
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 17:30, llamasking
Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
Answers: 2
Mathematics, 10.12.2020 17:50
Mathematics, 10.12.2020 17:50
Mathematics, 10.12.2020 17:50
English, 10.12.2020 17:50