The Environmental Working Group estimates that you could reduce your pesticide intake by up to 90% by eating only 100% organic
a. tomatoes and lettuce
b. lettuce, imported grapes, sweet bell peppers, peaches, apples and celery
c. nectarines, cherries, strawberries, spinach, pears and potatoes
d. choices a and b are both correct
e. choices b and c are both correct
E
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According to Figure 17.9, which of the following materials would you expect to be the best confining bed?
A) granite B) gravel C) fractured basalt D) sand
Transgenic plants are generally different from traditional hybrid plants produced hundreds of years ago, because transgenic plants may
A) contain genes from animals or bacteria. B) contain synthetic DNA or genes. C) have new traits not found in their ancestral species. D) not be used as sources of human food.
Air pressure can be expressed in which of the following units?
A) atmospheres B) millimeters of Hg C) torr D) any of these
Complex IV of the electron and H+ transport chain is also known as which of the following?
A) cytochrome oxidase B) cytochrome reductase C) ubiquinone D) none of these