TIVITY 4 EXPLORING ISSUES ABOUT THE GREENHOUSE EFFECT
AND THE VALUES OF DECISION MAKERS
Draw a diagram illustrating the natural Greenhouse Effect. Include the following
Labels:
• insolation
. three ways in which insolation is depleted
• Earth absorbing insolation
terrestrial radiation
two examples of greenhouse gasses.
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Atsunami usually is the result of a. a nearby underwater earthquake. b. the winter monsoons. c. seismic activity in the eastern pacific ocean. d. hurricane-force winds.

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d