Monocultures and components of the Green Revolution put more food on the global table. However, it may render agriculture more vulnerable to pests and diseases and thus pose long-term risks of famine
Indicate whether the statement is true or false
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The Hadley Cell
A) gives an accurate description of atmospheric circulation at middle latitudes. B) gives an accurate description of atmospheric circulation at high latitudes. C) accounts for the existence of the ITCZ. D) predicts lush rainforests at 30 degrees latitude. E) was proposed in the mid-twentieth century.
An ensemble forecast is produced by:
A) collecting the professional opinions of a group of meteorologists. B) combining the results from several different numerical models into one forecast. C) slightly altering the underlying assumptions of a numerical model each time it is run. D) running one model several times with slightly different initial conditions.
The formulas Mg2SiO4 and Fe2SiO4 represent:
a. two separate minerals b. two minerals that have related physical properties c. two nonrelated minerals d. two end members of a solid solution series
What is the relationship between seafloor spreading and reversals in the Earth's magnetic field?
What will be an ideal response?