Which of the following is closer to the actual number of languages in the world today?
A) 500
B) 1000
C) 3000
D) 5000
E) Over 6000
Answer: E
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________ is a steep scarp or cliff whose presence indicates an outcrop of resistant rock
A) Free face B) Waxing slope C) Waning slope D) Debris slope
Why are meteorites used to establish an age for the Earth?
A. Rocks on Earth have been recycled since the Earth was formed and are not believed to be as old as the Earth itself. B. They are believed to be the same material from which Earth formed. C. They are not radiogenic so they do not decay over time. D. They are believed to be the same material from which Earth formed and rocks on Earth have been recycled since the Earth was formed and are not believed to be as old as the Earth itself. E. All of these are correct.
Most exports of Eastern Africa are from
A. mining B. forestry C. manufacturing D. agriculture
Distance variations between Earth and the Sun are very important in understanding seasonal temperature variations
Indicate whether the statement is true or false