Canada's best farmland is located along the St. Lawrence River and in the southern Prairie Provinces of Manitoba, Saskatchewan, and Alberta.
a. true
b. false
a. true
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The relationship between kinetic energy and potential energy is
A) one must have potential energy before kinetic energy can be realized. B) kinetic energy is proportional to the potential energy. C) potential energy is the storage state of kinetic energy. D) in practice, all of a potential energy source is never fully transformed to usable kinetic energy. E) All of the above are true.
The finest particles of particulate matter are classified as being less than ________ in diameter
A) 1.0 micrometer B) 10 micrometers C) 2.5 micrometers D) 5 micrometers
Which of the following is not evidence collected by the Glomar Challenger in support of the Plate Tectonic model?
A) Fossils increase in age with increasing distance from the ridges. B) Sediments get thicker with increasing distance from the ridges. C) Oceanic crust is less than 180 million years old. D) Continental crust is typically several hundred million years old or older.
The greatest warming experienced over the globe in the last 100 years has occurred in ____
a. Greenland and the mid-latitude continents in summer and fall b. the United States in winter and spring c. parts of Antarctica during the entire year d. the arctic and over the mid-latitude continents in winter and spring e. the oceans of the Southern Hemisphere and parts of Antarctica in spring and summer