What do isobars represent on a map?
A) the lowest pressures on the map B) areas of convergence in the upper atmosphere
C) lines connecting points of equal air pressure D) the highest pressures on the map
C
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Equilibrium between which of the following factors is described by the hydrostatic equation?
A. vertical pressure gradient force and gravity B. friction force and gravity C. Coriolis force and gravity D. horizontal pressure gradient force and gravity
Plants adapted to the desiccating effects of the land environment with the evolution of
a. a cambium layer. d. cutin. b. scales. e. bark. c. leaves.
Discuss the conventional alternatives to fossil fuels. Why are we not using more renewables?
What will be an ideal response?
In which region of the world would you expect irrigation to be most critical?
A) Rainfall is high. B) PET is equal to rainfall. C) PET is lower than rainfall. D) PET is higher than rainfall. E) Rainfall is low.