Questões de Concurso

Responda às questões 21 a 25 com base no texto a seguir.



Brazil’s environment ministry has taken steps to save the rainforest by disrupting the illegal logging industry.

About $2.7 million dollars worth of illegally logged wood from indigenous lands were seized by environmental police during a surprise raid in Nova Esperança do Piria.

According to Reuters, some 13 logging companies and sawmills were shut down while tractors, guns, and ammunitions were seized in the remote area […] The government aims to reduce deforestation to a record low in the year to July. It hopes to ensure that deforestation, the cutting down or burning of the rainforest, does not ex- ceed 3,700 square miles. Recent research has shown that the rainforest is a valuable global resource as not only does it harbour a variety of animal and plant species, but it also absorbs a significant amount of greenhouse gas carbon dioxide

Responda às questões 21 a 25 com base no texto a seguir.



Brazil’s environment ministry has taken steps to save the rainforest by disrupting the illegal logging industry.

About $2.7 million dollars worth of illegally logged wood from indigenous lands were seized by environmental police during a surprise raid in Nova Esperança do Piria.

According to Reuters, some 13 logging companies and sawmills were shut down while tractors, guns, and ammunitions were seized in the remote area […] The government aims to reduce deforestation to a record low in the year to July. It hopes to ensure that deforestation, the cutting down or burning of the rainforest, does not ex- ceed 3,700 square miles. Recent research has shown that the rainforest is a valuable global resource as not only does it harbour a variety of animal and plant species, but it also absorbs a significant amount of greenhouse gas carbon dioxide

Três partículas, todas com a mesma carga positiva q, estão fixas em um eixo de coordenadas denotado, na figura a seguir, por Ox. Uma dessas partículas está fixa na origem do eixo, outra no ponto de coordenada positiva x = a e a terceira no ponto de coordenada positiva x = 2a, como indicado na figura.