What society constructed terraces to reduce soil erosion and allow irrigation canals to flow?
A) Mayan
B) Incan
C) Aztec
D) Spanish
E) Portuguese
Answer: B
Environmental & Atmospheric Sciences
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The Dutch devised a method in the form of __________ to reclaim land from the sea.
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
The chemical formula of acetylene is C2H2. How many valence electrons are associated with a molecule of acetylene?
A) 4 B) 5 C) 8 D) 10
Environmental & Atmospheric Sciences
The high winds behind a strong gust front are called ____________________ winds to distinguish them from the rotating winds of a tornado
Fill in the blank with correct word.
Environmental & Atmospheric Sciences
What distinguishes a mineral reserve from a mineral resource?
A. Politics B. Economic feasibility C. Existing technology D. Location
Environmental & Atmospheric Sciences