Why do you think the seeds need to be exposed to a moist cold environment

before they will germinate? (Hint: Think about fruit trees and their seeds as
they evolved in the natural world.)



What will be an ideal response?


The moist cold temperatures simulate the environmental conditions of winter. Seeds
that are able to overwinter before germinating may not have to compete with as
many members of the parental generation. Parent plants that die in winter make
space available for new seedlings in the spring.

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A controlled decking zone may be established for areas where metal decking is being installed more than 15 feet but less than _____.

a. 20 feet above the next lower level b. 25 feet above the next lower level c. 30 feet above the next lower level d. 35 feet above the next lower level

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Refrigeration equipment is designed to _____.

a. eliminate cold air b. recirculate hot air c. remove heat d. eliminate condensation

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In the figure below, the securement methods shown are anchor straps, drawstrings, and _____.



a. quilting pins
b. lacing hooks
c. D-rings
d. buckles

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Two technicians are discussing how to loosen bleeder valves. Technician A says that a shock is usually necessary to break the taper at the base of the valve. Technician B says to apply steady, loosening torque to the bleeder valve using a 6-point wrench. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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