Before starting to install sill plates, _____.
a. apply a layer of insulation
b. check the foundation for squareness
c. get approval from the architect
d. make sure the foundation is level
Answer: B
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Most muckrakers believed that their primary function in the progressive attack on social ills was to
A. formulate a consistent philosophy of social reform. B. explain the causes of social ills. C. devise solutions to society's problems. D. make the public aware of social problems. E. link up with movements for social justice.
Dogs are often used as _____ animals, such as guide dogs for the blind.
Fill in the blank(s) with the appropriate word(s).
A satellite orbits the earth instead of flying off into space because
a. rocket thrusters continuously push it towards the earth. b. solar reflectors continuously push it towards the earth. c. wind sails continuously push it towards the earth. d. gravity continuously pulls it towards the earth.
The control that stops the condensing unit if the head pressure climbs too high is classified as a ____.
A. safety control B. thermostat C. temperature control D. speed control