Which of the following descriptions of a hummingbird best describes its niche?

A) has a slender bill
B) eats mosquitoes
C) lays two eggs
D) can fly backwards
E) can migrate across the Gulf of Mexico


Answer: B

Environmental & Atmospheric Sciences

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The opening and closing of an ocean basin is also referred to as a/an _____________. Fill in the blank(s) with the appropriate word(s)

Environmental & Atmospheric Sciences

Ali Farka Touré, known as the Bluesman of Africa, hailed from which nation in Africa?

A) Senegal B) Mali C) Ghana D) Burkina Faso E) Nigeria

Environmental & Atmospheric Sciences

Under what conditions was the British enclosure movement introduced. As a strategy of economic development, what were the disadvantages and problems that accompanied this movement?

What will be an ideal response?

Environmental & Atmospheric Sciences

The deepest thermoclines can be found ____

A) in temperate zones B) in Antarctica C) in the tropics D) anywhere, depending on water salinity

Environmental & Atmospheric Sciences