The single most effective agent of chemical weathering at Earth's surface is
A. water H2O
B. carbonic acid H2CO3
C. hydrochloric acid HCl
D. carbon dioxide CO2
Answer: B
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____________________, but now consists of ____________________% hydrogen and 2% ____________________ elements. Fill in the blank(s) with the appropriate word(s).
The introduction of exotic species into a freshwater ecosystem generally increases the population of the native species.
Answer the following statement true (T) or false (F)
Water heated by contact with hot rocks in the subsurface is referred to as _______________ water
Fill in the blank(s) with correct word
When air is cooled to its dew point, the relative humidity is 100%
Indicate whether the statement is true or false