Researchers in Switzerland have demonstrated that organic farming ________
A) presently has no market in Europe
B) is only sustainable with pesticides and synthetic fertilizers
C) suppresses the biodiversity of pollinating insects, especially bees
D) increases the incidence of invasive species
E) decreased organic soil losses while giving yields almost as high as conventional farming
E
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Urbanization in the world's peripheral regions is the result of
A) rural outmigration. B) economic development. C) foreign investment. D) effective urban planning. E) transportation networks.
Local land-use planning is usually more effective and economical than regional land-use planning.
Answer the following statement true (T) or false (F)
Basalt and gabbro are compositional equivalents, which means that they ____
A)are both formed from the same pluton B)have the same texture but are made up of different minerals C)are made up of the same minerals and are the result of explosive igneous activity D)are made up of the same minerals but have different textures E)have the same texture but one is mafic and the other is felsic
During the last major glacial expansion, sea level was higher than it is today
a. True b. False Indicate whether the statement is true or false