During Which Season Is a Canadian Lake Most Likely to Show

question 97

Multiple Choice

During which season is a Canadian lake most likely to show thermal stratification and restriction on mixing of surface and deeper waters? 

• A) in the summer 
• B) in the winter 
• C) in the fall 
• D) in the spring

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Definitions:

Isoprene Unit

A five-carbon hydrocarbon unit, C5H8, that is the basic building block of natural rubber and other terpenes.

Pseudomonas Aeruginosa

A species of gram-negative, aerobic, rod-shaped bacteria associated with opportunistic infections, notably resistant to antibiotics and capable of biofilm formation.

Liverwort

A type of small, non-vascular plant from the Marchantiophyta class, often found in moist habitats.

Isoprene Rule

A rule stating that terpenes are assembled from isoprene units, reflected in their structure.