A ________ is a landform which almost always assumes a circular shape.

A) hook
B) tombolo
C) spit
D) atoll
E) none of the above


Answer: D) atoll

Environmental & Atmospheric Sciences

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Which of the following is the major concern about climate change if CO2 levels in the atmosphere exceed 450 ppm?

A. the effects would be irreversible B. the earth would erupt into a huge fireball C. all life on the planet would die D. some oil companies will go out of business

Environmental & Atmospheric Sciences

The study of the harmful effects of chemicals on humans and other organisms is known as ____.

A. chemotherapy B. physiology C. epidemiology D. toxicology E. toxicity

Environmental & Atmospheric Sciences

Which of the following are stateless nations?

A. Roma (Gypsies) B. Palestinians C. Kurds D. Basques E. all of these

Environmental & Atmospheric Sciences

In the early 2000s, the European Union grew to 18 member nations.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences