Europa is covered with an ocean of ________
Fill in the blank(s) with correct word
liquid water (under ice)
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The energy attributed to an object by virtue of its motion is known as ________
A) radiative energy B) kinetic energy C) potential energy D) mass-energy
The primary purpose of a telescope is to
A) collect a large amount of light and bring it into focus. B) magnify distant objects. C) separate light into its component wavelengths. D) measure the brightness of stars very accurately. E) make distant objects appear nearby.
State the relationship between the volume and pressure of a gas when the temperature is held constant (Boyle's law)
The eye focuses by
A. moving the lens. B. moving the retina. C. moving both the lens and the retina. D. changing the focal length of the lens. E. changing the index of refraction of the vitreous fluid.