Index fossils like Paradoxides are widespread geographically but limited to a short span of geologic time.
a. true
b. false
a. true
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In the diagram below, the importance of the erupting volcano at "B" for the global carbon cycle is that
A) CO2 dissolved in magma rises with the magma and is released from solution into the atmosphere as pressures decrease, warming the Earth.
B) the heat from the erupting volcano warms the atmosphere to such an extent that it can no longer retain CO2 in it, causing it to condense and cool the Earth.
C) as the magma begins to cool when it reaches the surface, atmospheric CO2 is absorbed into it, cooling the Earth.
D) atmospheric CO2 gets drawn into the volcanic caldera as soon as the magma exits the chamber, cooling the Earth.
Which of the following statements is NOT true about the Florida Everglades?
A) The northern part of Lake Okeechobee was drained to provide farmland for sugar cane. B) Despite human actions much of the wetlands have been self-regenerating and self-restoring. C) The Everglades were once a shallow, 50-mile wide river. D) Canals and levees constructed in the 1950s allowed for urban expansion of Miami and Fort Lauderdale. E) The waterways are heavily contaminated with fertilizer runoff.
Which of the following is not a heterocyclic aromatic amine?
A) piperidine B) purine C) pyrimidine D) pyridine
Coastal building standards for the NFIP require that all new construction be _______________ of mean high tide
Fill in the blank with correct word.