Which air mass is responsible for extremely cold outbreaks in North America?
a. maritime tropical
b. maritime polar
c. continental polar
d. continental tropical
c
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Which of the following is true regarding the relationship between molecular motion, wavelength, and temperature?
A) As the temperature decreases, molecular motion increases and wavelength increases. B) As the temperature increases, molecular motion increases and wavelength decreases. C) As the temperature decreases, molecular motion decreases and wavelength decreases. D) As the temperature increases, molecular motion decreases and wavelength decreases.
What language began as a trade language in Sub-Saharan Africa and is now the most widely spoken language in the region?
A) French B) Arabic C) Swahili D) Spanish E) Portuguese
Which of the following is the correct IUPAC name of the carboxylic acid which contains three carbon atoms?
A) 1-propanoic acid B) propanoic acid C) 1-propionic acid D) propionic acid
Competition between members of the same species is known as intraspecific competition.
Answer the following statement true (T) or false (F)