Why is photosynthesis a chemical reaction?
a because new substances are formed
b. becau...
Chemistry, 05.01.2020 22:31, sabrinarasull1pe6s61
Why is photosynthesis a chemical reaction?
a because new substances are formed
b. because an input of energy is required
c. because the reactants are compounds
d. because the products include an element
Answers: 1
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If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.
Answers: 1
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According to the tide table below what time of day will the highest tide occur?
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Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains
Answers: 2
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