Why is science open to change? a) scientist are smarter now. b) scientific explanations can change with new evidence. c) technology does not provide accurate scientific explanations. d) new scientific explanations are always better than old explanations.

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step-by-step explanation:

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answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,