em 1992 o brasil sediou a conferencia das nações unidas para o meio ambiente e desenvolvimento, no rio de janeiro, mais conhecida como rio-92 ou eco-92. Destaque qual a importância da ECO-92 para a sociedade e em que consiste a agenda 21

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south

How would you find the measure of one interior angle

Liquefaction is a. a quicksand-like condition arising in some wet soils during earthquakes. b. flooding caused by tsunamis. c. flooding of coastal areas due to tectonic subsidence. d. flooding caused by dam failure resulting from an earthquake.