Radio waves have a ________ wavelength than visible light and are therefore ________ energetic
A) shorter; more
B) longer; less
C) shorter; less
D) longer; more
E) roughly equal; as
B
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The atomic mass of an atom is defined as the sum of the number of its ____________________ plus
____________________. Fill in the blank(s) with the appropriate word(s).
Sediment is removed from the beach budget in the United States by dams for power on rivers. How does this affect the coastline?
A) sedimentation becomes more severe B) erosion becomes more severe C) uplift becomes more severe D) subsidence becomes more severe
Enrichment of nuclear fuel
A) increases the relative concentration of uranium-235 to only 3 to 5% in order to avoid any possibility nuclear explosion at higher percentages. B) increases the relative concentration of uranium-235 to 30 to 50% in order to avoid a nuclear explosion at higher percentages. C) decreases the relative concentration of uranium-235 from 60% to only 3 to 5% in order to avoid a nuclear explosion at higher percentages. D) decreases the relative concentration of uranium-235 from 100% to 30 to 50% in order to avoid a nuclear explosion at higher percentages.
The average size of sediment in a natural levee is ________ that found in the surrounding floodplain
A) larger than B) smaller than C) the same size as