01. Define the following terms:
a) Stomata
b) Alkali
c) Chemical reaction
d) Galvanization
e) Exhalation
f) Temperature
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a).stomata are the openings on the surface of the leaves which let in carbon dioxide and helps in the release of oxygen and water.
b). alkali is a base which is soluble in water. eg: NaOH
c). chemical reaction is the conversion of reactants into products which is caused by the breaking and formation of new bonds.
d). process of applying a zinc coating to steel or iron, to prevent rusting. this can be done by electrolysis.
e). exhalation is the breathing out of impure air (high CO2 content).
f). temp is the degree of hotness or coldness. it is measured by a thermometer.
:)
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