Which planet is most similar in size and mass to Earth?
A) Mercury
B) Venus
C) Mars
D) Jupiter
E) Neptune
B) Venus
Physics & Space Science
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Which casting technique is appropriate for a very complex metal shape that cannot be removed from a mold?
(a) Sand mold (b) Permanent mold (c) Die (d) Investment
Physics & Space Science
A concave spherical mirror with a radius of 20 cm creates a real image 30 cm from the mirror. How far is the object from the mirror?
A) 50 cm B) 20 cm C) 15 cm D) 7.5 cm E) 5.0 cm
Physics & Space Science
Which carbohydrate cannot be digested by humans as a direct source of energy?
a. Fructose b. Glucose c. Sucrose d. Cellulose e. Starch
Physics & Space Science
Which of the following is a eutectoid reaction?
Physics & Space Science