Compared with the resultant of a pair of equal-length vectors at right angles to each other, the resultant when the angle is less than 90° is
A. less.
B. greater.
C. the same.
D. need more information
Answer: B
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Tides can be predicted years in advance to an accuracy of approximately 3 centimeters
Indicate whether the statement is true or false
Which of the following best compares MSW in low-income nations to high-income nations?
A) Low income nations have much more paper in MSW. B) The MSW of high-income nations contains more than 50% organic material. C) The MSW of high-income nations has more paper and less organics than that of low-income nations. D) Proportions of the various categories of MSW are about the same.
What is the difference between magma and lava?
A. Lava is above the Earth's surface, whereas magma is below. B. Magma is colder than lava. C. Lava is gassier than magma. D. Magma has a higher silicate content than lava. E. There is no difference between magma and lava.
Low pressure areas generally experience cloudy, unstable weather conditions
Indicate whether the statement is true or false