Control group
Explanation:
Experiments are usually designed so that the differences between the experiment and control groups can be observed.
- The experimental group is the group that follows the details of the hypothesis where variables are changed to see their causes and effects.
- The control group is the standard by which the experimental group is compared with.
- The variables are being tested for in the experimental group to see how they are changing .
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The answer would be D, because that is the only logical one, and selling 15 cups is not a hypothesis, it is a fact.
D is the one hypothesizing that he will make a profit.
Hope this helps and have a nice day:)
Answer:
A+B C. Only one of the unknown substances is a catalyst, and the others are nonreactive with A, B, or C. When 10 mL of A is added to 10 mL of B the reaction takes twenty seconds. Bubbles form when the product C is created. The student prepares three test tubes, each containing both reactants A and B. She adds unknowns X, Y, and Z to test tubes 1, 2, and 3, respectively.
The largest reservoir of carbon is in the ocean
Versification refers to the structure of a verse as identified by the process of scanism, a process that includes naming a meter being used in the poem. Versification is associated with prosody. Prosody involves the study of rhythm and the sound being used in poetry.