Canada has the world's largest reserves of __________ __________, mineral deposits in which a thick liquid petroleum is mixed with sand and clay
Fill in the blank(s) with correct word
tar sands
oil sands
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Which American TNC is most closely associated with GMOs?
A) Nestlé B) Monsanto C) Bayer D) Royal Dutch Shell E) MGM
Which of the following physical features has not yet been found on Mars?
A) Polar ice caps B) H2O-rich atmosphere C) Extinct volcanoes D) Sand dunes
Where did Saturn's rings likely come from?
A) either a moon that never formed, or a moon destroyed by tidal forces B) the decay of radioactive particles in the outer fringes of Saturn's upper atmosphere C) volcanic activity on its surface ejecting matter into space D) the gravitational capture of old satellites and other space junk lost from Earth's orbit and other space missions
What does it mean when an area is designated as wilderness?
A. The kinds of uses people make of the land is limited. B. Motor vehicles are only allowed for part of the year. C. People cannot use the land. D. None of these are correct.