The highest-strength carbon steels with some ductility have a microstructure described as:
(a) Martensite.
(b) Pearlite.
(c) Bainite.
(d) Tempered martensite.
(d) Tempered martensite.
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Which color of light undergoes the smallest refraction when passing from air to glass?
A) red B) yellow C) green D) violet E) blue.
When a positive charge q is placed in the field created by two other charges Q1 and Q2, each a distance r away from q, the acceleration of q is
a. in the direction of the charge Q1 or Q2 of smaller magnitude. b. in the direction of the charge Q1 or Q2 of greater magnitude. c. in the direction of the negative charge if Q1 and Q2 are of opposite sign. d. in the direction of the positive charge if Q1 and Q2 are of opposite sign. e. in a direction determined by the vector sum of the electric fields of Q1 and Q2.
Discuss how web designers use CSS. List and describe the three ways you can add style rules to your pages.
What will be an ideal response?
The four plausible routes by which terrorists might use nuclear devices include
A) seizing an intact nuclear weapon. B) obtaining weapons-grade uranium or plutonium and building a nuclear weapon from it. C) Both of the above. D) sabotaging a nuclear power plant. E) All of the above.