4. Which of the following statements is true? * A. Earth's revolution causes the day and night cycle.
B. Earth takes 24 hours to revolve around the sun.
C. Earth rotates once every 24 hours.
D. The positions of other planets affect the day and night cycle.

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.

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