Scientists use all sorts of different discoveries to help date-back the day Earth was created. Some of these include types of rock, fossils, trees, chemicals in water, minerals, and elements.
Answer:
A. an increase in sea urchin biomass is associated with more intense grazing.
The sugar pill serves as a control.
The control in experiments is a sample that remains the same throughout the experiment and it is used to compare the results of the main experiment to. It serves to guarantee that changes noted in the experiment are from the variables introduced and not something else.
Answer:
A capstone course, also known as capstone unit or a senior thesis or senior seminar serves as the culminating and usually integrative experience of an educational programtion A capstone project plays a vital role in preparing a student for the future course of learning. It gives students a chance to retain whatever they have been learning during their college studies and apply it once they pursue a specific academic profession in the college.