How is pressure measured?

a. Pressure is measured as force per inch

b. Pressure is measured as force per gram

c. Pressure is measured as force per unit area

d. Pressure is measured as force divided by mass

I think its D ...

A copper piece cannot be made a magnet ... Why?

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A neutral atom of the element that comes just before platinium in the periodic tablet has

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The difference between two numbers is 15. When twice the smaller number is subtracted from three times the larger number, the difference is 58. What is the larger number?