Air is then breathed into the windpipe and lungs, while the mucus is swallowed (figure 3). Other. Other interesting structures associated with the nasal and sinus tract: Tear duct (called the nasolacrimal duct): drains tears from the inside corner of the eye into the nasal cavity (figure 1).
Human activity is the main cause of soil degradation. Agriculture plays a large part in soil degradation, especially clearing, irrigation, the spreading of chemical fertilizer â¦ s and pesticides, overgrazing and even the passage of heavy farming equipment. Tillage and the clearing and deforestation of large plots of land also lead to soil degradation.
The Socio-Economic and Environmental Impact of Geothermal Energy on the Rural Poor in Kenya i Executive Summary enya is the first country in Africa to tap geothermal resource for energy. The geothermal resource lies beneath the vast East African Rift Valley.ocio-Economic and Environmental Impacts 30 The Socio-Economic and Environmental Impact of Geothermal Energy on the Rural Poor in Kenya Tour Operators There was concern over increased traffic and commercialisation of the park. There was also concern over the design of the expanding road network.