Please help due tm 24 (03.02 HC)
Peroxidase is an enzyme found in many organisms, from plant to humans. The function of peroxidase is to break down hydrogen peroxide, which is a toxin produced as a byproduct when oxygen is produced during respiration Salivary
peroxidase is an enzyme that fights against bacteria and other harmful
that might enter the body through the oral passage. Salivary peroxidase forms an oral antioxidant system that attacks against free radical produced by
cigarette smoke. By smoking a single cigarette, there is a sharp drop in levels
a. Identify two examples of environmental factors that may impact salivary peroxidase activity. Describe how each of the environmental factors would affect the reaction rate of the enzyme.
b. Predict the effects of a long time cigarette smoker and the impacts on activity levels of salivary peroxidase Provide reasoning to justify your prediction

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increase soil erosion                                             reduce soil erosion

cattle grazing                                                         hydroseeding

deforestation                                                         contour plowing

                                                                                planting vegetation

plant roots basically hold the top soil

together and stop soil erosion because

in such situation top soil is not removed

during flood but cattle grazing causes

soil erosion because cattle consume the

grasses and herbs and top soil is exposed.

same situation occurs because of

deforestation, the trees and plants are cut

down to expose top soil which causes soil

erosion