Which of the following processes is believed to have been an important source of the Earth's atmosphere?
A) outgassing by volcanoes on the Earth's surface
B) gas trapped from the solar nebula
C) matter blasted from the surface of the Moon
D) charged particles trapped from the Sun
A
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If iron with 4.3 wt. % carbon is heated to 850°C for an extended period of time, what is the resulting form of cast iron?
(a) White (b) Malleable (c) Gray (d) Nodular
According to current evidence, Pluto is best explained as ______.
Fill in the blank(s) with the appropriate word(s).
A stone initially moving at 8.0 m/s on a level surface comes to rest due to friction after it travels 11 m. What is the coefficient of kinetic friction between the stone and the surface?
A) 0.13 B) 0.25 C) 0.30 D) 0.43 E) 0.80
What possible use could a weed be? Explain how weeds can be useful, starting with your definition of weed
What will be an ideal response?