When electromagnetic waves from the Sun reach the human eye, they stimulate antenna-like nerve endings in the ____

a. ?iris
b. ?retina
c. ?pupil
d. ?cornea
e. ?sclera


ANSWER: b

Environmental & Atmospheric Sciences

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As entropy increases in a system, energy within the system

A. becomes less ordered. B. reaches equilibrium. C. becomes more ordered. D. moves toward destruction.

Environmental & Atmospheric Sciences

If current energy consumption trends continue and the per capita income of the world increased dramatically, we would expect that

A) global climate change will be a greater problem. B) literacy levels will decrease. C) respiratory diseases in cities will increase. D) land and labor will no longer be economic factors.

Environmental & Atmospheric Sciences

In general, loam soils are best suited to support vegetation growth

a. True b. False Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

To the north of the continent is the __________, geologically the oldest part of North America, and a sparsely populated area with poor soils.

-Appalachian Highland -Arctic -none of these is correct -Canadian tundra -Canadian Shield

Environmental & Atmospheric Sciences