Chemistry, 23.07.2020 03:01 AriaMartinez
A student is conducting their science experiment on the effect of caffeine on
dogs. He has 3 groups of test subjects. The 1st group of dogs receives plain
water. The 2nd group of dogs receives 10 mg of caffeine each, and the 3rd group
receives 50 mg of caffeine each. He will measure their activity levels by
recording how long each dog runs without stopping, after giving them the pills.
What is the dependent variable in this experiment?
A. The amount of dogs tested.
B. The dogs that receive water.
C. The amount of caffeine given.
D. The amount of activity.
Answers: 2
Chemistry, 21.06.2019 17:40
In the reading, yao chen-yuan describes traveling to deliver a message. why was he willing to risk danger to travelto tientsin? he wanted to the boxers with their cause
Answers: 2
Chemistry, 22.06.2019 00:30
This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.
Answers: 1
Chemistry, 23.06.2019 01:00
Atoms contain subatomic particles called protons and neutrons. when these protons and neutrons spilt, a lot of energy is released
Answers: 3
A student is conducting their science experiment on the effect of caffeine on
dogs. He has 3 groups...
Computers and Technology, 29.08.2019 18:00
Computers and Technology, 29.08.2019 18:00
Biology, 29.08.2019 18:00
Computers and Technology, 29.08.2019 18:00
English, 29.08.2019 18:00
Mathematics, 29.08.2019 18:00