How is heat involved in photosynthesis and respiration? A) It is a waste product.
B) It is a needed input for both reactions.
C)It is a needed input for respiration only, and a product for photosynthesis.
D) Heat is not involved in photosynthesis or in respiration.

Hey there! The correct option is:'C'Explanation:It is a needed input for respiration only, and a product for photosynthesis.Hope it help you

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )

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