Ostracoderms developed before cartilaginous fish

a. True
b. False


True

Environmental & Atmospheric Sciences

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Which of the following are pulsating stars used to determine the dimensions of the Universe?

A. red dwarfs B. supernovas C. cepheid Variables

Environmental & Atmospheric Sciences

When Europeans gained control of Africa, Asia, and Latin America, they decided against expanding existing cities to provide colonial services, such as administration, military command, and international trade,

as well as housing for Europeans who settled in the colony. Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

The North Magnetic Pole is moving northwest at approximately 55 to 60 km (34-37 mi) per year

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

A supercell storm is a(n) ____

A) multicell thunderstorm that forms as a line of thunderstorms B) number of individual multicell thunderstorms that organize into a large convective weather system C) elongated, ominous-looking storm cloud that forms just behind a gust front D) intense long-lasting thunderstorm with a single violently rotating updraft

Environmental & Atmospheric Sciences