Why is it just as difficult for the wind to move dust as it is to move sand?
What will be an ideal response?
The fine dust particles are very cohesive because of electrostatic attractions between the small particles.
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About ________ of the fish caught from the ocean is consumed directly by humans, whereas the remainder is converted to fish meal and fed to poultry and hogs
A) one-third B) one-half C) two-thirds D) three-quarters E) ninety percent
The big bang, in which the universe as we know it originated, occurred about: a. 10,000 years ago
b. 25 billion years ago. c. 13.7 billion years ago. d. 13.7 million years ago.
Transportation efficiency refers specifically to ________
A) using carbon capture and storage (CCS) technology B) employing more hybrid vehicle technology C) improving fuel efficiency in electric power plants D) employing more renewable fuels E) increasing fuel conservation measures
The main influences on tropical cyclone paths include all but which of the following?
A. Trade winds blow the tropical cyclone toward the west. B. The Coriolis effect adds a curve to the right that progressively increases in strength with increasing distance to the equator. C. They adjust to high- and low-pressure systems they encounter. D. the presence or absence of large cargo ships in their paths E. Hurricane paths vary depending on the size and position of the Bermuda High.