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Question: which of the following is true oa a hypothesis is...

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Which of the following is TRUE? Oa. A hypothesis is an idea about how the world works that has been proven Ob. A hypothesis can be either supported or not supported by an experiment c. A hypothesis is an idea that cannot be tested d. A hypothesis is an idea that has been disproven
Photosynthesis plays an important role in the carbon cycle. True False
surroundings surroundings energy energy system system system Which diagram ilustrates an isolated system?
Which of the following would be considered a reservoir of the water cycle? a. The sun b. Evaporation c. Atmosphere d. Transpiration
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