An increase in greenhouse gas concentrations corresponds to a positive forcing.
Answer the following statement true (T) or false (F)
True
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Which of the following are effects of ozone depletion?
a. increased photochemical smog b. reduced crop yields c. immune system suppression d. reduced phytoplankton populations e. all of these answers
A solution is an acid when: a. it has an excess of hydrogen ions
b. it has an excess of hydroxide ions. c. it combines with a hydrogen ion. d. hydrogen and hydroxide are in balance.
Lithospheric plates move on the Earth's surface because ____.
a. warm mantle ascends at ridges and cool mantle descends at subduction zones b. convection occurs only in the asthenosphere c. cool mantle ascends at ridges and warm mantle descends at subduction zones d. warm mantle ascends at ridges and cool mantle descends at subduction zones AND convection occurs only in the asthenosphere e. convection occurs only in the asthenosphere AND cool mantle ascends at ridges and warm mantle descends at subduction zones
What are the three stages of desert landscape evolution? Provide examples of landforms for each
What will be an ideal response?