The possible number of main effect is THREE.
Main effects refers to the major conditions that are specify in the experiment; these are: room temperature, noise level and room colour. These three factors are manipulated in the designed experiment.
The armpit isn't the most precise but it is close. Under the tongue, across the forehead, as long as you have the proper tools (thermometer, the thermometer meant for foreheads) you should get a fairly accurate reading.
This is an 8th grader question. But I'll say Xx Xy
Answer:
D
Explanation:
Tape Worms have traveled throughout different bodies of animals and humans (organisms) and they can transfer diseases easily.
