Prophase is a Triangular Square Telophase is a Circle with cylinders
If I understand you correctly; the two experimental treatments are the experimental condition and the control condition.
The thing differing between them should be what you want to examine, and especially the thing you want to know of how it influences something. So for example if you want to know how alcohol influences something, the difference should be that one condition will include alcohol and the other won't.
Different soil, location can be a factor, the amount of sun, wild and domesticated can vary
I think the answer to this is A
In the given case, there is a need to ensure that the exercise is very well monitored. However, in my opinion, the most essential characteristic he requires to change is the people. First of all, all the subjects are of a school sports team, therefore, they all would be fit, and they are all about the same age group.
Thus, the results would vary if the level of fitness, the age of teenagers, and sex differ. It is thus, essential to record the outcomes from a wide array of individuals in order to reduce the bias of the experimental design in the given case. Therefore, testing additional boys as well as several girls from different classes would be appropriate in the given case.
