Some farmers near an ocean must irrigate their soybean crops to harvest any successful growth. Desperate and without a source of fresh water, one of them decides to irrigate his field with seawater.
Another farmer captures rain in special traps and lightly irrigates his crops. What would we expect to be the results of these different forms of irrigation? A) The seawater irrigation plants produce many beans while the light irrigation produces few beans.
B) The seawater irrigation kills the plants while the light irrigation produces few beans.
C) Both forms of irrigation produce good crops with moderate production of beans.
D) The seawater crops last longer than the fresh water crops, but only the seawater crops produce beans.
Question 2
What percentage of the Earth is covered by oceans?
A) 50
B) 17
C) 80
D) 71
Movement of Water in the World Ocean
Toussaint L’Ouverture leads a revolt of slaves against the French in Haiti—the first and only major
Large families on U.S. farms used to be common. Children helped plant and harvest crops, take care ...
Fish in the Ocean
The Distribution of Growth Rates, 1975–2009
Secondary growth