Which continent has the greatest proportion of arid and semi-arid climates?
a. Africa
b. South America
c. Asia
d. Australia
d
Environmental & Atmospheric Sciences
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What is the Air Quality Index (AQI)?
What will be an ideal response?
Environmental & Atmospheric Sciences
A black walnut (Juglans nigra) emits a chemical that may kill or inhibit the growth of other nearby shrubs or trees without harming itself. This is an example of which symbiotic relationship?
A) Parasitism B) Mutualism C) Commensalism D) Amensalism
Environmental & Atmospheric Sciences
During the last century, global mean sea level has risen
A) 10 to 20 cm (4 to 8 in) B) 50 to 75 cm (20 to 30 in) C) 1 to 1.25 m (3 to 4 ft) D) 2 to 2.25 m (6.5 to 7 ft) E) 5 to 7.5 m (16 to 25 ft)
Environmental & Atmospheric Sciences
Researchers reported in 2014 that more than 5.25 ________ plastic pieces are now floating in the ocean
A) hundred B) thousand C) million D) billion E) trillion
Environmental & Atmospheric Sciences