Why can volcanic rocks occasionally contain fossils?
A) Lava does not melt bones.
B) Volcanic ash, if builds quickly enough, can preserve the remains of organisms.
C) Magma cools so quickly that fossils get trapped inside.
D) Organisms were often attracted to volcanoes and fell inside them by accident.
Question 2
Which statement about compaction is false?
A) Grains of sand are crushed into a smaller volume.
B) Spaces between grains are decreased.
C) Flakes of minerals are broken.
D) Compaction may be caused by the weight of overlying sediment.
Eastern skunk cabbage, an endothermic plant, can melt its way up through spring snow cover
Volcanic plateaus (red) and impact basins (blue) dominate this topographic map of Mars
Earth’s history spans 4.5 billion years. Geologists and paleontologists have pieced together the his
(a) The site of Zhoukoudian outside of Beijing, China, spans several hundred thousand years and (b)
Volcanic smog (Vog)
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