As Earth evolved with life, an oxygen abundance of only 0.1 percent would have created a(n) _______________, protecting organisms from the Sun's ultraviolet radiation
Fill in the blank(s) with correct word
ozone layer
ozone screen
Physics & Space Science
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A series LC circuit contains a 100-mH inductor, a 36.0-mF capacitor and a 12-V battery. The frequency of the electromagnetic oscillations in the circuit is
a. 5.73 × 10^?4 Hz. b. 9.55 × 10^?3 Hz. c. 0.442 Hz. d. 2.65 Hz. e. 44.0 Hz.
Physics & Space Science
An object is placed 5 cm to the left of a converging spherical lens. The lens has a focal length of f = 10 cm. What kind of image is formed and what is its orientation?
a. Real/Upright b. Virtual/Upright c. Virtual/Inverted d. Real/Inverted
Physics & Space Science
The inertia of a body is directly related to its
a) force. b) mass. c) velocity. d) volume.
Physics & Space Science
The energy in the water at the top of a waterfall is an example of __________ energy
Fill in the blank(s) with correct word
Physics & Space Science