A rock exposure consists of layers of fine-grained, rounded particles that are cemented together. Which type of rock is it: igneous, metamorphic, or sedimentary?
What will be an ideal response?
Sedimentary
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Above which of the following continents is the ozone hole observed?
A. North America B. Antarctica C. South America D. Australia
What is the elevation of this highest location?
The question is based on this contour line map with elevations shown in feet.
• North is to the top of the map.
• Streams are shown with dashed lines.
• A graphic scale for measuring horizontal distances is shown below the map.
• Estimate elevations between contour lines to the nearest half-contour interval; assume that the top of a
hill is one-half-contour interval higher than the highest contour line shown.
What will be an ideal response?
An igneous rock that can be expected to contain large (>1 mm diameter) visible grains of quartz is:
a) Gabbro b) Granite c) Basalt d) Peridotite e) Andesite
When a large number of tornadoes develop in association with a particular weather system (typically six tornadoes or more, although there is no strict definition), it is referred to as a(n) ____________________
Fill in the blank with correct word.