Chemistry, 07.09.2021 03:00 yoangel9183
A scientist wants to investigate whether plants need sunlight to grow. The hypothesis being tested is: “Plants require sunlight to grow.” The scientist placed one tray of sunflower seedlings in the sun and another tray of sunflower seedlings in a cupboard in the laboratory The seedlings were watered and after 6 weeks the height of each seedling was measured. л Condition A: sunflower seedlings in the sun Condition B: Sunflower Seedlings in a Cupboard. Which variable/factor is being investigated (and therefore changed)?
Answers: 2
Chemistry, 21.06.2019 20:30
An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?
Answers: 1
Chemistry, 21.06.2019 23:50
How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.
Answers: 1
A scientist wants to investigate whether plants need sunlight to grow. The hypothesis being tested i...
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