Biology, 31.03.2021 20:40, ayeasley7777
1. Which statement is NOT true about chemical and physical changes?
A. Chemical and physical changes could produce precipitates.
B. Chemical changes produce new substances, but physical changes do not.
C. Physical changes use energy transferred as heat, but chemical changes do not.
D. Physical and chemical changes could require days for their effects to be noticeable.
Answers: 3
Biology, 21.06.2019 19:00, Marmama23
Select the correct answer. which scenario describes unethical lab behavior? o a. danny stores the chemicals required for his experiment in flasks and beakers. b.anna publishes the results of her experiment on the growth rate of saplings. c.jason repeatedly runs an experiment until he gets the results he desires. d. mia records her observations of an experiment precisely and accurately.
Answers: 1
Biology, 22.06.2019 11:00, hectorav6619
What happens during the experiment stage of the scientific method
Answers: 1
1. Which statement is NOT true about chemical and physical changes?
A. Chemical and physical change...
Mathematics, 20.03.2020 23:57
Mathematics, 20.03.2020 23:57
Mathematics, 20.03.2020 23:57
Mathematics, 20.03.2020 23:57