How did scientists calculate the rate of uplift of the Andes?
A) using a fossil of coral from a high rock
B) by radio-dating uplifted metamorphic rock
C) by radio-dating uplifted sedimentary rock
D) using tectonic data and knowledge of ice ages
Answer: B
You might also like to view...
Day and night have an equal length during a(n) ________
Fill in the blank(s) with the appropriate word(s).
Twice a day the National Centers for Environmental Prediction issues maps at all of the following pressure levels, except
A) 100 mb. B) 300 mb. C) 700 mb. D) 850 mb.
Cyanobacteria are blue-green algae. Indicate whether the statement is true or false
In aquatic biomes,
A) as water temperature increases, dissolved oxygen content does too. B) organisms must spend their whole life cycle in either a saltwater or freshwater biome. C) chlorophyll concentration is an index of net primary productivity. D) anadromous and catadromous fish can tolerate waters with virtually no dissolved oxygen.