Plants help replenish Earth's oxygen supply by using _____ and giving off oxygen
a. Nitrogen dioxide c. Argon
b. Carbon dioxide d. Nitrous oxide
B
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The term ____________________ refers to any disease-causing organism
Fill in the blank(s) with correct word
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When the conditions of proportionality and superposition are satisfied, the system is _________
A. nonlinear B. at its maximum C. polarized D. linear
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Refrigerant, being heavier than air, causes a ___________ to lose consciousness or become ill.
Fill in the blank(s) with the appropriate word(s).
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The construction estimating process is ____.
A. fairly simple involving standard calculations B. a career skill that is typical among drafting clerks C. limited to CAD managers in small construction firms D. not normally part of the CAD technician's job
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