________ is where fresh water mixes with ocean water.
A. An estuary
B. A swamp
C. A mangrove forest
D. A delta
Answer: A
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A soil with 30% clay, 10% silt, and 60% sand is called a sandy clay loam. Indicate whether the statement is true or false
The Navajo Sandstone is a wind-blown sand deposit with large cross-beds. How would the sand of these ancient sedimentary rocks be characterized?
A)poorly sorted B)well-sorted C)compacted D)poorly graded E)cemented
What spatial reorganization accompanied the rise of capitalism?
A) Suburbanization, as people moved from cities to suburbs B) Urbanization, as people moved from rural areas to cities C) Counter-urbanization, as governments encouraged people to move to undeveloped areas D) Establishment of growth-poles, where government established dispersed city centers E) Renewed emphasis on traditional village structure
You might wonder why a millibar isn't exactly 1/1000th of an atmosphere. The unit is actually related to the old CGS units because atmospheric pressure is close to this unit. In CGS units 1 bar = 1000 dynes/cm2
Pressure is often incorrectly reported as kg/cm2, which is neither a legitimate pressure unit nor a standard SI unit (pressure is force/unit area, and kg are a mass unit, and SI units never mix kg and cm). So let's straighten out your friends on these units. Standard air pressure in this incorrect unit is 1.034 kg/cm2. The weight of a kg at the earth's surface is 980,000 dynes. So what is standard air pressure in millibars? A) 1143 mb B) 1013 mb C) 750 mb D) 890 mb