The missing piece the scientific puzzle takes years discover

Read the following passage:

The scientific method is a cyclical and self-correcting process that involves several steps. Observations and collecting qualitative and quantitative evidence are important to make predictions and to develop a theory.

3. Explain the evidence collected in the last part of the 20th century that supports Wegener’s continental drift theory.

4. What is plate tectonic theory? Explain the types of plate boundaries, and explain 1 example for each type of plate boundary.