Question

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Answer 1

Answer:

Explanation:

ANS:4)In dim light, your pupil expands to allow more light to enter your eye. In bright light, it contracts. Your pupil can range in diameter from 1/16 inch (1.5 mm) to more than 1/3 inch (8 mm). Light detected by the retina of your eye is converted to nerve impulses that travel down the optic nerve

ANS:5)When an electric current passes through a solution, the solution decomposes into its positive and negative ions. This process of decomposition of the solution is a chemical effect.

Answer 2

Answer:

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Explanation:

4) In dim light, your pupil expands to allow more light to enter your eye. In bright light, it contracts hence the answer is: big

5) When an electric current passes through a solution, the solution decomposes into its positive and negative ions hence the answer is : chemical

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