The dip angle is:
a. another term for magnetic declination.
b. a measure of the tendency for a compass to point south.
c. close to or at zero near the equator.
d. close to or at zero just north of Hudson Bay.
c
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In the aluminum-nickel phase diagram in Figure 5.15, what is the reaction type that leads to the formation of Al3Ni at 854°C? _____________
Fill in the blank(s) with the appropriate word(s).
________ galaxies seem to represent a transition between quasars and similar active nuclei compared to more normal spirals
Fill in the blank(s) with correct word
What was the primary role of dust in the formation of the solar system?
A) Dust formed the rings around Uranus, Neptune, and Jupiter. B) Dust veiled the process by which our solar system formed. C) Dust acted as condensation nuclei; platforms to which other particles could attach and form larger particles of matter. D) The Sun formed from a vast spinning cloud consisting only of dust. E) Dust provided the radioactive elements that initially heated the Sun.
A person jogs toward a plane mirror at a speed of 3 m/s. How fast is he approaching his image in the mirror?
A) 1 5 m/s B) 3 m/s C) 4 m/s D) 5 m/s E) 6 m/s