The process of dipping a package into liquid nitrogen to freeze it is called _____________________ freezing
Fill in the blank(s) with correct word
cryogenic
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El gas metilacetileno-propadieno (MAPP®) es una combinación de acetileno y _____.
a. propileno b. gas natural c. oxígeno d. propano
A reading taken on a leveling rod held on a point of known elevation to determine the height of the leveling instrument is called a(n) _____.
a. backsight b. foresight c. elevation d. turning point
____________________ are those that have fleshy insides with small seeds
Fill in the blank(s) with correct word
Technician A says ozone is both created and destroyed by the action of UV radiation on oxygen molecules. Technician B says chlorine is the major gas causing the destruction of ozone. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B