Which of the following has been used historically to reduce agricultural pests?
A. Salt
B. Sulfur ointments
C. Planting insect repelling plant and flowers.
D. Lime
E. All of these methods have been used as pest control
Answer: E
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Collisions yield some of the most spectacular mountains on the planet, including:
a. The Himalayas b. The Alps c. The Appalachian Mountain d. All of the above e. Both a and c
Most of the population of Canada lives in what part of the country?
A) In Western Canada B) In Eastern Canada C) Within 150 miles of a coast D) Within 150 miles of the U.S. — Canada border
Which of the following lists the CORRECT sequence of gases, from most to least concentration, in terms of percentage within the homosphere?
A) Oxygen, nitrogen, neon, hydrocarbons, carbon dioxide B) Nitrogen, oxygen, argon, carbon dioxide, trace gases C) Oxygen, ozone, nitrogen, PAN, carbon dioxide D) Nitrogen, argon, oxygen, xenon, carbon dioxide
The largest scale among the following representative fractions is ________
A) 1:100,000 B) 1:1,000,000 C) 1:24,000 D) 1:10,000 E) 1:50,000