Carbonaceous meteorites are believed to come from:
A) coal formed on Mars, then blown into space by asteroid impacts.
B) the core of a differentiated type M asteroid, now broken up.
C) the crust of a differentiated C type asteroid, now broken up.
D) a broken up cometary nucleus, dark like Comet Halley's nucleus.
E) deep space, far beyond the solar system, hence their very low density.
C
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A coil of 160 turns and area 0.20 m2 is placed with its axis parallel to a magnetic field of initial magnitude 0.40 T. The magnetic field changes uniformly from 0.40 T in the +x direction to 0.40 T in the -x direction in 2.0 s
If the resistance of the coil is 16 ?, at what rate is power generated in the coil? A) 5.0 W B) 10 W C) 15 W D) 20 W E) 25 W
Wavelengths just shorter than visible light are classified as
A. gamma rays. B. x-rays. C. microwaves. D. ultraviolet. E. radio waves.
Aurorae like ours have been seen above the poles of Jupiter and Uranus
Indicate whether the statement is true or false
Briefly explain the craters found on Earth's moon
What will be an ideal response?