Q: When sparks from a steel grinder react with oxygen, what do they form? Read this paragraph and choose the correct option from the provided answers: The sparks from a steel grinder are molten iron. The iron reacts with oxygen to form iron(III) oxide. Choices: - rust - spontaneous combustion - steel oxide - iron oxide A:
iron oxide

Q: What process allows plants to convert light energy into sugars and energy for food? Read this paragraph and choose the correct option from the provided answers: Chemical reactions are occurring all around you. Plants use sunlight to drive their photosynthetic process and produce energy. Cars and other vehicles burn gasoline in order to power their engines. Batteries use electrochemical reactions to produce energy and power many everyday devices. Many chemical reactions are going on inside you as well, especially during the digestion of food. Choices: - respiration - glycolysis - digestion - photosynthesis A:
photosynthesis

Q: The corona surrounds which major object in our solar system? Read this paragraph and choose the correct option from the provided answers: The corona is the halo around the Sun. Choices: - Neptune - Earth's moon - Jupiter - the sun A:
the sun