Unlike kinetic energy, potential energy is stored energy, or conserved energy.
The correct answer is double- blind experiment to minimize research participate bias and researcher bias
Double-blind Experiment is a method of clinical trial carried out on human beings where neither the examine nor the examiner knows what is being used as a variable at any given time. It is commonly used as a criterion for validating quantitative experimental practices in science.
Without this intellectual tool, it would be very difficult to carry out any scientific tests involving human beings with confidence. The purpose of the double-blind test is to avoid any conscious or unconscious interference with the results of an experiment.
The great distances from the colonies for the first drop down and the second we need the answer choices