I believe the answer is: a statement of significance
In speech, a statement of significance refers to directly conveying the important part of the message at the beginning of the speech. This technique is used by speakers to obtain fast initial attention from the audiences. This is commonly done in a short duration speech
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.
Answer:
So they can understand what is in the soil and how it changes
