Phytoplanktonic organisms with skeletons made of silica are called ____________________. Fill in the blank(s) with the appropriate word(s)


diatoms

Environmental & Atmospheric Sciences

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The "Velvet Divorce" separated

A. East Germany from West Germany B. France from Belgium C. The Czech Republic from Slovakia D. Croatia from Serbia

Environmental & Atmospheric Sciences

Smelter emissions often cause what type of adverse environmental degradation?

A) acid mine drainage B) acid rain C) asbestos deposition D) global warming

Environmental & Atmospheric Sciences

During a cold winter, snow can provide a useful shelter material for animals and humans because it is a poor ________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Which of the following best describes how geysers erupt?

A) Water below the water table slowly boils in a vertical crack or natural conduit, causing a plume of condensed water vapor to rise above the vent. B) Water slowly boils in a network of vertical cracks above the water table, sending up a plume of steam and hot water. C) Water suddenly boils in disconnected voids and cracks above the water table, causing the aquifer to explosively fragment. D) With a slight reduction in pressure, water in a saturated, natural conduit suddenly boils, sending a plume of steam and hot water into the air above the vent.

Environmental & Atmospheric Sciences