Organic farming ________
A) has no national standards in the United States
B) is presently limited to crops of fruits and vegetables
C) and organically grown produce have not been supported by the European Union
D) began in the 1960s
E) has become more challenging because of contamination by GM crop varieties
Answer: E
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For each of the following unbalanced equations, which is depicted: oxidation or reduction?a) Cr ? Cr3+b) Sn ? Sn(OH)42-
A. a) reduction; b) oxidation B. a) oxidation; b) oxidation C. a) reduction; b) reduction D. a) oxidation; b) reduction
The theory of genetics was initially developed by studying
a. giraffes. d. mice. b. peas. e. cyanobacteria. c. humans
You see a foodservice employee trip over a floor mat and fall. She immediately gets up and says she is fine. What should you do?
a. ask her to be more careful b. have an inservice on safety and putting down mats c. ask her to fill out an accident report d. send her home for the remainder of the day even though she said she is fine
Which of the below is an active remote sensing system?
A) Color infrared photography B) Landsat C) Radar D) Thermal infrared imagery E) Black and white aerial photography