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Chemistry Question
#1. Which gas is essential for the process of photosynthesis?
Explanation:
Plants absorb carbon dioxide from air through stomata and use it in photosynthesis to prepare food (glucose) in the presence of sunlight and chlorophyll. Oxygen is released as a by-product.
#2. The unit of electrical resistance is:
Electrical resistance measures how difficult it is for current to flow through a material. The SI unit of resistance is Ohm (Ω).
