What quality (color) of light stimulates seed germination?
What will be an ideal response?
Red.
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Admixtures reduce the strength of concrete mix.
Answer the following statement true (T) or false (F)
Explain the rationale for the postwar policy of containment. Show how it was applied in the Truman Doctrine, the Marshall Plan, NATO, the enactment of the National Security Act of 1947, the creation of the "Voice of America," and the resurrection of the military draft in 1948. What were the realistic U.S. foreign policy alternatives to containment, and why weren't they explored by the Truman administration?
What will be an ideal response?
A system that monitors the return air temperature to control room temperature is
A) a closed loop control system B) an ambient loop control system C) an integrated loop control system D) an open loop control system
?What type of piping is used withmost solar water heating systems today?
A. ?copper tubing B. ?corrugated stainless steel tubing C. ?glass tubing D. ?soldered stainless steel tubing