III. Explain the following functions: 1. SUM( ) 2. AVERAGE
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Precipitation deficiency
Precipitation deficiencyDroughts occur mainly in areas where normal levels of rainfall are, in themselves, low. If these factors do not support precipitation volumes sufficiently to reach the surface over a sufficient time, the result is a drought.ferrous sulphide
ferrous sulphideWhen iron filings and sulphur powder are mixed and heated they undergo a chemical reaction and form ferrous sulphide (FeS). It is a new substance which has properties entirely different from Fe and S. Therefore, heating of a mixture of iron and sulphur powder is a chemical change.Social psychology, defines a Stereotype as a generalized belief about a particular category of people. It is an expectation that people might have about every person of a particular group.
Answer:
During a fire event, the mechanical properties of steel deteriorate under the elevated temperature. A reduction in yield strength, stiffness, and modulus of elasticity can occur. ... Even if the structural steel members are deformed, the steel will regain its pre-fire properties once the fire is extinguished.