The lunar highlands are composed primarily of ________.
A. olivine
B. anorthosite
C. silicon dioxide
D. basalt
Answer: B
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Which of the following joining techniques is difficult to apply to ceramic materials?
(a) Fusion welding (b) Brazing (c) Soldering (d) Diffusion bonding
Which of the following is true regarding the masses of antimatter particles?
A) The mass of an antimatter particle is the same as that of its corresponding matter particle. B) The mass of an antimatter particle is always larger than that of its corresponding matter particle. C) The mass of an antimatter particle is always lower than that of its corresponding matter particle. D) The mass of an antimatter particle is the negative value of that of its corresponding matter particle. E) Antimatter has no mass.
________ is the process of stripping electrons from their atoms
Fill in the blank(s) with correct word
In a 35.0-mm single lens reflex camera (SLR), the distance from the lens to the film is varied in order to focus on objects at varying distances
Over what distance range must a lens of 55-mm focal length vary if the camera is to be able to focus on objects ranging in distance from infinity down to 0.60 m from the camera? A) 5.55 mm B) 4.44 mm C) 16.7 mm D) 22.2 mm E) 7.77 mm