Solution
Cut open an onion.
Use forceps to peel a thin layer of epidermis from the inside.
Lay the layer of epidermis on a microscope slide.
Add a drop of iodine solution to the layer.
Carefully place a coverslip over the layer.
Observe it under a microscope to see onion cells.
Answer:
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Explanation:
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Answer: the Earth is round.
Explanation:
When h forms a bond with h2o to form hydronium ion, h3o , this bond is called a coordinate covalent bond.
