Why is it inadvisable to grow some crops in a bottomless bed on the floor of a greenhouse?
What will be an ideal response?
Pathogenic diseases and nematodes can become established below the
loosened soil zone since pasteurization procedures are not effective in this zone.
These harmful agents eventually migrate into the root zone.
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Technician A says during a turn, both front wheels turn at the same angle. Technician B says an improper turning angle may cause tire squeal when cornering. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
What is the circumference of a circle whose radius equals 18.246 centimeters? Use 
= 3.1416 and round to 3 decimal places.
Fill in the blank(s) with the appropriate word(s).
Structure M is part of the ________ lobe.
A) temporal
B) occipital
C) insula
D) frontal
E) parietal
PCM is a building block in many digital communication applications and consists of three steps: sampling, quantizing, and __________
A. decoding B. coding C. error-detection D. retransmission