An ideal pesticide would be characterized by ________
A) being of equal value to the damage the pest would have caused
B) allowing the development of genetic resistance
C) not leaching into water supplies in the ground
D) persistence
E) broad spectrum in its target
C
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The magnitude of the vertical component of a 5-unit vector at 60° from the vertical is
A. greater than 5 units. B. less than 5 units. C. 5 units. D. none of the above
Seaweed derived materials are found in a large variety of commercial materials including adhesives, salad dressing, and ice cream
Indicate whether the statement is true or false
Which component of the earth system relates to the solid earth?
A. Exosphere B. Atmosphere C. Hydrosphere D. Biosphere E. Geosphere
Alpha Centauri is a famous star because it is one of the closest stars to earth (other than the sun of course). Where would you look in the night sky for Alpha Centauri?
A) Look for Hydra, then to the right for Hercules, and it will be half way between. B) Look for the second brightest star in the constellation Alpha. C) Look for the brightest star in the constellation Centaurus. D) RA 15hr 30min; D 56 degrees