What is the term for vertebrates who have a skeleton made of cartilage?
A) Osteichthyes
B) Chondrichthyes
C) Reptilia
D) Ophiuroids
B
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What is a possible consequence of overpumping of groundwater?
A) Inflation of the aquifer due to an increase in porosity B) Flooding due to rising groundwater levels C) Along the coast, pulling saltwater into wells that were previously fresh D) All of these are correct.
What happens to winter temperatures in the northern hemisphere if tilt angle decreases to 22 degrees?
A. stay the same B. warmer C. colder
One possible factor that produces desert pavement is _____
a. playa evaporation b. mass wasting c. deflation d. base level changes e. dune stabilization
Which of the following is an example of a small circle?
A. Tropic of Cancer B. Prime Meridian C. Equator D. International Date Line