Psychology on Egenuity Oct 5th 2018 says answer is C
Answer:
D. from a separate pool than is the control group.
Explanation:
in the picture the person answers is backwards but...
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Oxygen bc plants go through photosynthesis which keeps producing more oxygen
To perform an experiment to determine the force constant of a spring, you will need a stand with a boss and clamp, a spiral spring, a meter rule and different weights.
The setup is arranged as shown in the image attached. The natural length of the spring is first recorded. Different weights are added to the spring one after the other and the extension is recorded.
The weight is now plotted on the vertical axis and the extension is plotted on the horizontal axis. The slope of the graph is the force constant of the spring.
Learn more: brainly.com/question/10991960