Though desalination is a theoretically attractive method for obtaining fresh water from seawater, no large commercial facilities for desalination exist
Indicate whether the statement is true or false
False
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A toy is pulled by three kids. Jim pulls with a force of 30 N north, Jill pulls with a force of 30 N south, and Jay pulls with a force of 15 N east. The acceleration of the toy is
A. 15 m/s2. B. 10 m/s2. C. 33 m/s2. D. need more information
The development of larger and darker varieties of house sparrows among northern populations of
the species is an example of a. microevolution. b. macroevolution
Which of the following is true of splicing?
A) It involves both the snRNA and protein portions of a snRNP. B) It involves only the protein portion of a snRNP. C) It involves only the snRNA portion of a snRNP. D) snRNPs are not involved in splicing.
River water stored behind a dam is best described as a form of ________
A) entropy B) thermodynamics C) potential energy D) kinetic energy E) chemical energy