Question

求这些问题急！

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Answer 1

1.1 Group B are in the control group.
1.2 Eating crabby patties with the new sauce is the independent cariable.
1.3 The gas production is the dependent variable.
1.4 Because the 8 people don't always have gas problem, they just have a history of gas problem.

2.1 Gary is suffering form slimotosis.
2.2 Rubbing seaweed on the shell and drinking Dr. Kelp are the independent variable.
2.3 The slime is gone and Gary's shell smells better is the dependent variable.
2.4 Either Rubbing seaweed on the shell or drinking Dr. Kelp should be working and both of them may work.

3.1 SpongeBob is in the control group.
3.2 With arms and back lathered in the musele cream is the independent variable.
3.3 The amount of a person's musele is the dependent variable.
3.4 The musele cream is not working should be Larry's conclusion.

4.1 Patrick's hypothesis was that fish that eat food exposed to microwaves will become smater and would be able to swim through a maze faster.
4.2 The fishs in te regular food group are in the control group.
4.3 Feeding the special food to fish is the independent variable.
4.4 The time of a fish swim through a maze is the dependent variable.
4.5 The fish that eat food exposed to microwaves will become smater and would be able to swim through a maze faster.