The introduction of materials that have negative impacts ...
The introduction of materials that have negative impacts on the ecosystem is known as?
pollution
combustion
transpiration
evaporation
Correct answer is A
No explanation has been provided for this answer.
Most industries in the West African sub-region are ...
The cheapest means of transport for long distance travel is by? ...
The pair of countries where conurbation is most highly developed is? ...
The lower section of R. Kam is showing signs of old stage because of the presence of ...
One effects of rural-urban migration on the source region is ...
The main factor influencing the location of manufacturing industries in West Africa is? ...
The most outstanding maize-growing area of Nigeria is the? ...
On maps, lines drawn to join all places in the ocean having equal degree of salinity are called ...