Answer:
The speed of a roller coaster increases as gravity pulls it downhill and is greatest at its lowest point. Viewed in terms of energy, the roller-coaster-Earth system's gravitational potential energy is converted to kinetic energy
The statement is : True
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Just divide the two (2 / 0.05) and you will get your answer; there are 40 drops of bloodin the collection tube.
When a kettle is boiling you are able to see the chemical reaction, from the stem leaving the kettle, so yes
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