Vocabulary should be, I think:
I. Hypothesis
II. Evidence, data
III. Experiment
What is your question exactly?
The thin layer of water that covers most earths surface is called the hydrosphere.
Answer:
Technician B is correct
Explanation:
Charging systems works on the principle of magnetism. Charging system uses electromagnetic induction to generate electrical energy.
Electromagnetic principles states that voltage will be produced when there is a motion between conductor and the magnetic field.