A pinhole cameras has no lens. The tiny pinhole opening insures that rays of light from different parts of an object
A) overlap.
B) don't overlap.
C) bend to a focus.
Answer: B
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If the volume of a container is decreased while the mass and temperature of the gas inside it stay constant, the pressure will increase
a. True b. False Indicate whether the statement is true or false
A place where an unusually hot part of the mantle rises through the crust causing volcanic activity is called
A. Divergent boundary B. Hot spot C. Convergent boundary D. Transform boundary
At Jupiter's very center is a core of
a. heavy element (molten rock and iron) core b. helium c. hydrogen d. Both A and B
Glacial striations on the continental landmasses provide evidence
A) that Hawaii was once joined to Alaska. B) of the direction of Pleistocene ice flow. C) that the Cenozoic was a very cool time. D) that Baja California was once joined to Mexico.