Which small molecule is produced when histamine is synthesized from histidine?

A) CO2
B) HCl
C) H2O
D) NO


A

Environmental & Atmospheric Sciences

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Lakes that fall between the two extremes of nutrient enrichment are called

a. Oligotrophic b. Mesotrophic c. Eutrophic d. Trophic e. Metatrophic

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Describe the El Niño Southern Oscillation. What global environmental effects characterize an El Niño event? What global environmental effects characterize a La Niña event?

What will be an ideal response?

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The main dune form in most deserts is called a(n) ________

A) barchan B) bajada C) self D) transverse E) alluvial

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Saltation is a process by which streams dissolve soluble minerals and become saltier.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences