By comparing the two images, what can you conclude about Io's volcanoes?
A) Every black spot in the visible image has a bright spot in the infrared image, so all of Io's volcanoes were active when the photos were taken.
B) There are more black spots in the visible image than bright spots in the infrared image, so many of Io's volcanoes were inactive when the photos were taken.
C) There are more bright spots in the infrared image than black spots in the visible image, so new eruptions must have started after the visible photo was taken.
B) There are more black spots in the visible image than bright spots in the infrared image, so many of Io's volcanoes were inactive when the photos were taken.
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Two bulbs are shown in a circuit that surrounds a region of increasing magnetic field directed out of the page. When the switch is open,
a.
bulb 1 is glowing; bulb 2 is dark.
b.
bulb 2 is glowing; bulb 1 is dark.
c.
both bulbs glow equally brightly.
d.
both bulbs glow one half as brightly as they do with the switch closed.
e.
both bulbs are dark.
You are asked to design a metal alloy for a high temperature application. What type of metal alloy phase diagrams should you consider first for this application?
(a) Continuous solid solution (b) Eutectic (c) Compound formation (d) Peritectic
As Earth _______________ on its axis, it produces the cycle of day and night
Fill in the blank(s) with correct word
Which two factors are critical to the existence of the carbon dioxide (CO2 ) cycle on Earth?
A) life and atmospheric oxygen B) life and active volcanism C) plate tectonics and liquid water oceans D) active volcanism and active tectonics