Following the reptilian extinctions at the close of the Mesozoic, two groups of mammals, the marsupials and ________, evolved

A) eukaryotes B) stromatolites C) trilobites D) placentals E) cephalopods


D

Environmental & Atmospheric Sciences

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The tiny particles that make up matter are mostly

A. molecules. B. atoms. C. both of these D. none of the above

Environmental & Atmospheric Sciences

Belgium's language boundary sharply divides the country into two regions. What are the two languages spoken in these two regions?

A) French and Walloons B) French and Flemish C) Italian and German D) Dutch and German E) Italian and Dutch

Environmental & Atmospheric Sciences

Discuss how Belarus remains dependent on Russia

What will be an ideal response?

Environmental & Atmospheric Sciences

Conservationists regard which of the following as their most powerful tool in protecting environmental quality?

A. Safe Drinking Water Act B. NEPA C. Clean Air Act D. National Forest Management Act E. ESA

Environmental & Atmospheric Sciences