What is the formation time of the magnetic field recorded by rocks?
a. The time of observation
b. The time when the original magnetic field of the Earth formed
c. The time when the rock was in its original lava form
d. The time when the rock formed
Answer: d. The time when the rock formed
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According to the model of the life cycle of a wave cyclone, the storm system is normally most intense as a(n) ____
A) frontal wave B) open wave C) stationary wave D) mature cyclone
What problems arise when a species is introduced from a foreign ecosystem? Why do these problems occur?
What will be an ideal response?
What characteristics do the tropical climates share? What characteristics separate them?
What will be an ideal response?
The study of the origin and development of landforms is specifically called:
a. geomorphology. b. physical geography. c. geology. d. hydrology. e. seismology.