The following table shows three fields of a land use layer with 10 polygons. The following questions relate to a series of queries in continuous sequence.LucodeCosthaHectare200200004.574001000010.50300100003.31300100000.44300100000.10300100000.72200150001.10300100000.19200150000.75200150000.78Next, you click "Switch selection." How many records are selected?
What will be an ideal response?
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All waterfalls eventually disappear because headward erosion slowly eats back the resistant ledge.
a. true b. false
Joints are ____
a. a type of strike-slip fault b. a type of thrust fault c. a type of reverse fault d. not a type of fault
About 150 years ago, agriculture underwent a revolution due to
A) genetic engineering of new crops. B) the development of new herbicides and pesticides. C) the industrial revolution, which brought changes in agricultural technology. D) new markets that emerged from increased international trade.
Which of the following is not true?
a. oxygen 16 evaporates more readily from the ocean than oxygen 18 b. oxygen 16 and oxygen 18 are found in roughly equal amounts in ocean water c. the nucleus of oxygen 18 contains two more neutrons than the nucleus of oxygen 16 d. both oxygen 16 and oxygen 18 are found in the shells of marine organisms