Many potting mixes, called ____________________, contain no soil at all but they still provide the
same chemical and physical properties of regular soil.
Fill in the blank(s) with the appropriate word(s).
ANS: media
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What is the principle problem when forming a bottle using injection molding?
What will be an ideal response?
A freeze frame is stored when a type ________ DTC is set
A) C or D B) B or C C) A or B D) A or C
What is the advantage of a fusible link?
A) The melting temperature of the alloy does not remain constant. B) The melting temperature of the alloy remains constant over time. C) The melting temperature of the alloy changes with the air. D) The melting temperature of the alloy remains inconsistent over time.
?What is the simple payback of a renewable energy heating system?
A. ?the installation cost divided by the annual operating cost savings B. ?the number of years required for the investment to repay the higher initial cost using the savings it generates, relative to that of a conventional system C. ?the number of years required for the annual operating cost savings to equal the installation cost D. ?the installation cost divided by the difference between the installation cost of the system and a conventional system