The International Ecotourism Society estimates that international tourists interested in seeing nature or wildlife spend over

A. $450 billion per year.
B. $550 billion per year.
C. $250 billion annually.
D. $200 billion annually.


A. $450 billion per year.

Environmental & Atmospheric Sciences

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Isotopes of the same element have ____

a. different numbers of protons, but the same number of neutrons b. the same number of electrons, but different numbers of neutrons c. different numbers of neutrons, but the same number of protons d. different numbers of electrons, but the same number of neutrons e. different numbers of protons and neutrons

Environmental & Atmospheric Sciences

The magnetic North Pole migrated northward from 1902-2002. How did magnetic inclination readings in the continental United States change during that period?

A. Inclination remained constant B. Inclination became steeper (moved towards vertical) C. Inclination became less steep (moved towards horizontal)

Environmental & Atmospheric Sciences

Which conditions are correctly listed below in regard to the formation of lake effect snows?



A) Area A is colder than area B with an stable atmosphere.
B) Area A is warmer than area B with an unstable atmosphere.
C) Area B is colder than area A with an stable atmosphere.
D) Area B is warmer than area B with an stable atmosphere.

Environmental & Atmospheric Sciences

What is the name of the simplest aromatic carboxylic acid?

A) benzenoic acid B) benzoic acid C) benzylic acid D) toluic acid

Environmental & Atmospheric Sciences