Streams in arid regions are generally small and die out before reaching the sea. Explain two ways that streams lose water in this environment and why this loss occurs
What will be an ideal response?
Answer: Higher temperatures result in high evaporation rates. Also, the water table is lower in a desert, so there are significant losses to the water table.
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Which of the following statements pertaining to rock formations at a spring is false?
A) The rock may be tinted orange on account of bacteria. B) The rock forms by reacting with mild acid to produce calcite. C) The rock forms by reacting with precipitation to produce halite. D) The rock may enclose vegetation as it builds outwards.
The important general conclusion that can be made from this data on herbivory is that ________
A) herbivory is in equilibrium at distance represented by dotted line B) herbivory increases tropical tree diversity C) herbivory decreases tropical tree diversity D) more field studies are needed before any conclusion can be made E) controlled herbivory can be beneficial during field studies
What is the technological treadmill, and why has this proven to be a challenge for farmers in marginal areas in the North American heartland during the past two and a half decades or so?
What will be an ideal response?
Who are the Stolen Generations?
A) Aboriginal children removed from their families B) Pacific Kanak people kidnapped for labor C) British convicts sent to settle Australia D) Maori leaders who resisted European settlers E) none of the above