This is a model to students understand the process of photosynthesis, which allows plants to create their own food. the greatest limitation of this model is that

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

Earthquakes a.created the rock in arches utah b.can be caused by volcanic eruptions c.are caused by tsunami waves d.wear mountains down into hills

What might explain the real-world results, show in the graph to the right, for one class of twenty students? check all that apply.