The length of channels per unit area is called ____
a. stream order
b. drainage density
c. stream discharge
d. stream gradient
b
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Which of the following statements about fission is true?
A. The fragments of a fusion reaction are always the same size. B. Bombarding a nucleus with neutrons always leads to fission. C. The amount of energy released in the fusion of small nuclei is very large. D. The amount of energy released in the fission of large nuclei is very large. E. none of the above
When water is under great pressure, the density of the water decreases due to a decrease in volume.
Answer the following statement true (T) or false (F)
Although current technology will allow the construction of much larger optical telescopes, astronomers see no advantage in building these larger instruments
Indicate whether the statement is true or false
How has the global human population changed from prehistoric times to 1800? From 1800 to the present? What is projected over the next 50 years?
What will be an ideal response?