The percentage of the Earth's surface covered by ocean is about

A. 60%.
B. 80%.
C. 50%.
D. 70%.
E. 85%.


Answer: D

Environmental & Atmospheric Sciences

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According to Richard Florida, ________ will be the "grandest of the grand challenges humanity will ever face."

A) feeding the world B) ensuring the periphery's massive urban regions are vibrant, sustainable and functional C) avoiding nuclear war D) conserving and identifying new energy resources E) living long enough to survive the waiting list for Green Bay Packer season tickets

Environmental & Atmospheric Sciences

Which of the following groups can be called autotrophs?

a. ants, termites and butterflies b. wolves, coyotes and foxes c. rabbits, moles and robins d. daisies, roses and grass e. mushrooms and fungi

Environmental & Atmospheric Sciences

Which of the features on this aerial photograph is a point bar?



A) A
B) B
C) C
D) D

Environmental & Atmospheric Sciences

A P-wave travels 48 km in 8 seconds. What is its velocity?

A) 6 km/s B) 40 km/s C) 56 km/s D) 384 km/s

Environmental & Atmospheric Sciences