Cities can be susceptible to flooding because ____.?
a. there are more trees to take up water
b. they are usually built in closed depressions with no outlet for water
c. rainfall is greatly increased over cities
d. they are rarely built near rivers that can carry the water away
e. buildings and paved surfaces increase runoff and can overload storm drains
Answer: c. rainfall is greatly increased over cities
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In the final reaction of the blood clotting cascade, before the formation of a network of fibers, the soluble plasma protein
A. fibrin is converted to the insoluble protein prothrombin. B. fibrinogen is converted to the insoluble protein fibrin. C. thrombin is converted to the insoluble protein fibrin. D. fibrinogen is converted to the insoluble protein thrombin. E. prothrombin is converted to the insoluble protein thrombin.
This karyotype shows that the individual:
1.is male
2.is female
3.has 21 pairs of autosomes and 2 pairs of sex chromosomes
4.has 23 pairs of autosomes
The major cation responsible for regulating actin-myosin contraction is
a. Ca2+. b. H+. c. K+. d. Na+.
__________ is the process by which a single-stranded DNA is synthesized using RNA as the template
a. transcription b. reverse transcription c. replication d. transformation e. None of the above