What are the three main parts (zones) of a river system?
What will be an ideal response?
The zone of sediment production, at the headwaters, where sediment is derived.
The zone of sediment transport, downslope from the headwaters.
The zone of sediment deposition, at and near base level.
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In mosses, which stage in the alternation of generations is largest?
A. haploid sporophyte B. diploid sporophyte C. haploid gametophyte D. diploid gametophyte
A male lion living to age seven in Kenya represents the greatest instrumental value as a(n)
A. sporting trophy. B. tourist attraction. C. exotic pet. D. specimen sold alive to a zoo. E. specimen killed for its skin.
The main component of photochemical smog is the gas____________________
Fill in the blank with correct word.
Cold winds pouring downhill because of gravity are called ________
A) monsoons B) katabatic winds C) valley breezes D) trade winds E) cyclones