As far back as 1620, Sir Francis Bacon commented on the similarity of the shorelines of western ____________________ and eastern ____________________

Fill in the blank(s) with correct word


Africa, South America

Environmental & Atmospheric Sciences

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In 1962, Rachel Carson published Silent Spring, which dramatized the potential dangers of ________ to food, wildlife, and humans and eventually led to changes in the United States on their use.

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

Express a fractional scale of 1:100,000 as a verbal scale: One centimeter represents _____ kilometer(s).

What will be an ideal response?

Environmental & Atmospheric Sciences

Lead enters the atmosphere as a particulate pollutant. This is a problem because it ________

A) is a precious metal, and it is being lost to the atmosphere B) provides excess nutrients to waterways, resulting in eutrophication C) will cause the ozone hole to increase D) can become attached to radon E) causes central nervous system damage in humans

Environmental & Atmospheric Sciences

What is the largest single trade bloc in the world today?

A) North American Free Trade Agreement B) European Union C) Association of Southeast Asian Nations D) Latin American Free Trade Agreement E) Organization of Petroleum Exporting Countries

Environmental & Atmospheric Sciences