Since 1960, there has been only a slight increase in global food production from all systems.
Answer the following statement true (T) or false (F)
False
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The three factors that affect the growth of wind waves are ____________ ____________, ____________
____________, and _____________. Fill in the blank(s) with the appropriate word(s).
How might global warming exacerbate coastal hazards?
A) Global warming will likely be accompanied by sea level rise. B) Warmer water is more highly erosive on coastlines. C) Ocean currents will be stronger in a warmer world. D) Under warmer conditions, waves are likely to be substantially larger.
This image contains a spit, which is identified by an arrow. (The arrow is only for identification purposes.) Using the shape of the spit, from which direction is the longshore current coming? Assume for our purposes that the top of the figure is north
A) From west to east B) From north to south C) From north to west D) From south to east
You are exploring an ocean basin and trying to determine whether it formed by sea floor spreading. Which of the following evidence would you NOT expect to find in an actively spreading ocean?
a) Bathymetry would reveal a mid-ocean ridge. b) The mid-ocean ridge would be nearly bare of sediments at its axis. c) Symmetric magnetic anomalies would be found parallel to the mid-ocean ridge. d) Dredging of the mid-ocean ridge would yield young rocks. e) Dredging of the mid-ocean ridge would yield granite.