What is the educated guess of the answer to a question called? A. An analysis
B. A conclusion
C. An experiment
OD. A hypothesis

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▹ Answer

D. A hypothesis

▹ Step-by-Step Explanation

A hypothesis in a science experiment is what you think will happen. This also applies to literature and anything else that may be involved with an educated guess.

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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.

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.