The lava at Kilauea volcano in Hawaii erupts at a temperature of approximately 1000 degrees Celsius. How could geologists overcome this problem when studying the lava flow?
A) Pour water on the lava.
B) Don't bother studying the lava flow.
C) Take pictures from far away and study them in the lab.
D) Wear heat-resistant clothing and use tools that reach the flow from a few meters away.
Answer: D
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A. 
B. 
C. 
D. none of the images
E. all of the images
Which one of the following is NOT a fossil?
a) an insect trapped in amber 20 million years ago b) a frozen mammoth preserved in a glacier in Siberia that died in the last ice age 1 million years ago c) dinosaur footprints in a sandstone layer d) an Egyptian death mask dating back to 4000 years e) all of the above are fossils by definition
The term "________" refers to a group of elements called lanthanides and actinides that are not often found in large, commercially valuable quantities
A) special earths B) restricted minerals C) rare earths D) earth obscures E) nonelastic minerals
What are the three types of plate boundaries, and what surface features are characteristic of each?
What will be an ideal response?