Oque significa levantamento de campo?

Collection and gathering of information at the local level by conducting primary surveys is called field survey. The primary surveys are also called field surveys. They are an essential component of geographic enquiry. It is a basic procedure to understand the earth as a home of humankind. It is carried out through observation, sketching, measurement, interviews, etc.

Air pollution: “combustion results in gases such as nitrogen oxides, nitrogen dioxide and particulates. the main causes of air pollution include transport, domestic combustion and industrial processes. pollutants from these sources can cause problems in the immediate vicinity and a distance away.”