Glaucoma occurs because
a. the eye cannot accommodate properly.
b. the shape or size of the eye is not normal.
c. there is too much pressure in the fluid in the eyeball.
d. the lens is partially or totally opaque.
c
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According to the nebular theory, what are asteroids and comets?
A) They are the shattered remains of collisions between planets. B) They are the shattered remains of collisions between moons. C) They are leftover planetesimals that never accreted into planets. D) They are chunks of rock or ice that condensed long after the planets and moons had formed. E) They are chunks of rock or ice that were expelled from planets by volcanoes.
The person who expounded the uncertainty principle was
a. Max Planck. b. Albert Einstein. c. Neils Bohr. d. Erwin Schrödinger. e. Werner Heisenberg.
The majority of earthquakes occur where
A) lithospheric plates meet. B) the asthenosphere touches the lithosphere. C) the land surface is made of unconsolidated sediments. D) narrow zones of land touch.
Projectile Motion: As shown in the figure, a heavy rock is shot upward from the edge of a vertical cliff. It leaves the edge of the cliff with an initial velocity of 15 m/s directed at 25° from the vertical and experiences no appreciable air resistance as it travels. How high is the cliff?
Fill in the blank(s) with the appropriate word(s).