Which element would be surprisingly considered a trace element in the ocean despite its abundance in the atmosphere?
A) Sodium
B) Calcium
C) Chloride
D) Nitrogen
D
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Is this area well drained or poorly drained and swampy? Explain your answer.
A sinuously curving, narrow ridge of coarse sand and gravel is called an esker. Eskers form along the channel of a meltwater stream that flows beneath a glacier, in an ice tunnel, or between ice walls beneath the glacier. As a glacier retreats, the steep-sided esker is left behind in a pattern roughly parallel to the path of the glacier. What will be an ideal response?
Which of the following would be an ion with a double positive charge?
A) an Mg atom that gains two electrons B) an Mg atom that gains one electron C) an Mg atom that loses two electrons D) an Mg atom that loses one electron E) none of the above
The idea of base level refers to
A) an evolutionary cycle of landscape development from fluvial action. B) the amount of discharge in a particular reach of a stream. C) a level below which a stream cannot erode its valley. D) the stream gradient. E) the average height of a stream channel.
An electron beam that is directed through a magnetic field
A. may experience a force. B. may be deflected. C. both of these D. neither of these