Chemistry, 20.01.2020 10:31, lazavionadams81
Andrea is performing two experiments to measure the correlation between sunlight exposure and fish activity. in one experiment, she uses a tank of goldfish in her home. she places the tank in the window on a sunny day and then on a cloudy day, each time recording the average amount of swimming done by the fish during several sample time intervals. in the second experiment, she observes the fish in the pond in her yard on two days, one sunny and one cloudy, and counts the number of times the fish surface looking for food during several time intervals.
which is a scientifically significant similarity between these experiments?
a) lack of controls
b) careful measurements
c) the use of domesticated fish
d) the same independent variable
Answers: 2
Chemistry, 23.06.2019 06:20, ratpizza
Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table
Answers: 1
Andrea is performing two experiments to measure the correlation between sunlight exposure and fish a...
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