The extremely hot temperature of the thermosphere has very little significance because

A) the dense air molecules in this region move too quickly to absorb much solar radiation.
B) there is very little ozone in the air to absorb the solar radiation.
C) there are not enough air molecules and atoms colliding with one another to generate heat energy.
D) the thermosphere is very far from Earth's surface.


Answer: C

Physics & Space Science

You might also like to view...

Each plate of an air-filled parallel-plate air capacitor has an area of 0.0040 m2, and the separation of the plates is 0.080 mm. An electric field of 5.3 × 106 V/m is present between the plates

What is the energy density between the plates? (?0 = 8.85 × 10-12 C2/N ? m2) A) 124 J/m3 B) 170 J/m3 C) 84 J/m3 D) 250 J/m3 E) 210 J/m3

Physics & Space Science

Two long parallel wires are separated by 4.0 cm. One of the wires carries a current of 20 A and the other carries a 30-A current. Determine the magnitude of the magnetic force on a 2.0-m length of the wire carrying the greater current

a. 7.0 mN b. 6.0 mN c. 8.0 mN d. 9.0 mN e. 4.0 mN

Physics & Space Science

Two identical containers, A and B, hold equal amounts of the same ideal gas at the same Po, Vo and To. The pressure of A then decreases by a half while its volume doubles; the pressure of B doubles while its volume decreases by a half. Which statement correctly describes the temperatures of the gases after the changes?

a. TA = 0.5TB = To. b. TB = 0.5TA = To. c. TB = TA = To. d. TA = 2TB = To. e. TB = 2TA = To.

Physics & Space Science

Astronomers now classify Pluto as really just a large member of

A) the asteroid belt. B) the Oort cloud. C) an extrasolar planetary system. D) the Kuiper belt. E) the moon system around Neptune.

Physics & Space Science