To clean refrigerant by the use of filter dryers is called ____.
A. recovery
B. renew
C. reclaim
D. recycle
Answer: D
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Before about 1,000 CE, the term _______________ referred to natural deposits of coal that were washed up
along the shoreline in England.
Fill in the blank(s) with the appropriate word(s).Two challenges facing the aquaculture industry are:
a. obtaining access to pure water and returning water to streams and lakes without polluting them b. allowing fish to remain wild and still domesticate them to survive in human-made environments c. eliminating diseases associated with close-confinement living environments and maintaining those environments d. finding markets for products and finding qualified people to work in the industry
Which of the following is not true about greenhouse vegetable production?
A) Nutrition is less important than for outdoor crops. B) Systems are highly mechanized. C) Hydroponics is one type of greenhouse vegetable production system. D) Artificial lighting is used to supplement solar energy.
Which canine infection is almost entirely exclusive to puppies?
A. rabies B. kennel cough C. distemper D. parvovirus