The Green Revolution is first associated with which "miracle" seed?
A) wheat
B) rice
C) corn
D) soy
E) leafy greens
Answer: A
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Which of the following are benefits of aquaculture?
A. high yields, less waste output, and high profits B. use of small amounts of feed, high profits, and high yields C. high profits, high yields, and reduction of the overharvesting of some wild fish D. high profits, resistance to disease, and less waste output E. reduction of the overharvesting of some wild fish, less waste output, and high profits
What are the environmental and economic advantages in fair trade coffee?
What will be an ideal response?
A scientist tests how quickly each of the following substances will settle out of water
To measure this property, she separately tests each of the following by placing 100 grams of the substance and 500 milliliters of water into a 1-liter jar with a tight lid. She then shakes the jar violently for 1 minute and places the jar on the lab table. Which one of the following would settle the fastest, creating the clearest water in the fastest amount of time? A) Gravel B) Clay C) Silt D) Sand
Which main-sequence stars are the most massive?
A) yellow B) red C) blue D) orange