Which of the following is not considered a natural science?

2 answers:

7 0

Salutations!

<span>Which of the following is not considered a natural science?

Psychology is not considered as a natural science. Biology, Physics, and Chemistry are all apart of the natural science, which merges into world and Earth.

Thus, your answer is option B.

Hope I helped :D</span>

Nataly_w [17]3 years ago

6 0

<h2>Answer: B OR D</h2>

Explanation:

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Korvikt [17]

Answer:

minimum length of a surface crack is 18.3 mm

Explanation:

Given data

plane strain fracture toughness K = 82.4 MPa m1/2

stress σ = 345 MPa

Y = 1

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solution

we will calculate length by this formula

length = 1/π ( K / σ Y)²

put all value

length = 1/π ( K / σ Y)²

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length = 18.3 mm

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