¿En qué formato NO se emplea la lana mineral a nivel comercial?
a. Aislamiento preformado para tuberías
b. Revestimiento de conductos
c. Plancha
d. Relleno suelto
b. Revestimiento de conductos
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Construction types are numbered from ____.
A. I to III B. I to IV C. I to V D. I to VI
Which statement about stoichiometric coefficients (?) is false?
A. For every reactant with coefficient ?, there must be a corresponding product with that same coefficient ?. B. If the substance is a product, its ? will have a positive sign. C. A substance that appears as both a product and a reactant will have two unique ?’s. D. The ? values in a reaction can be modified if they are maintained in fixed proportion to one another. E. It is possible to have a non-integer ?.
The growing point of dicots such as trees and shrubs is located at the top of the stem
Indicate whether the statement is true or false
Compared to a regenerator, the optical amplifier requires:
A) less space B) less maintenance C) less power D) all of the above