Answer:
[See Below]
Explanation:
→ <u>Independent Variable</u>:
- The variable you change on purpose, to see certain effects.
- Doesn't depend on other variables.
- Usually the time.
→ <u>Dependent Variable</u>:
- Usually the reaction based on the independent variable.
- Refers to Independent Variable.
- The result or the experiment.
→ <u>Control Group</u>:
- Is the constant variable in all test.
- Usually is the one with
changes.
→ <u>Experimental Group</u>:
- The treatment group.
- It is going to be based of of what you are trying to test.
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<u>So will this information we can conclude that:</u>
<u />
- Independent
The amount of time.
- Dependent Number of Mosquito Bites.
- Control The arm that was not sprayed.
- Experimental The arm that was sprayed.
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Answer:
Observational method/Field experiment
Explanation:
A field experiment is conducted on a daily bases. In this field experiment, the experimenter still manipulates the independent variables.
But this happened only in real-life settings. In this experiment, the experimenter was not in that condition to control the extraneous variables. This experiment can conduct real life.
Thus Terence mentor recommends the observational method/field experiment.
True, because as time goes on, cultures mix and evolve according to what resources are available.
Hey there,
Answer:
Van Helmont - He concluded that trees gain most of their mass by absorbing water
Priestley- He found out that plants release oxygen
Ingenhousz- He concluded that plants needs sunlight to produce oxygen.
Hope this helps :D
<em>~Top♥</em>
