6th Grade SS G2 and G3 Environment

Look at the image of air pollution in Mexico City. Then answer the question that follows.

What is the BEST way for the government of Mexico City to reduce the pollution shown in the picture?

• restricting mining near the city

• restricting farming near the city

• restricting water usage in the city

• restricting the use of cars in the city

Why are air pollution levels higher in Mexico City than in other similarly densely populated cities?

• because Mexico City is surrounded by mountains that trap polluted air

• because Mexico City receives a large amount of precipitation each year

• because Mexico City contains more cars and buses than other large cities

• because Mexico City engages in more industrial activity than other large cities

Which of the following is the MOST pressing environmental concern for the residents of Brazil?

• industrial air pollution

• increasing water scarcity

• transboundary pollution from Bolivia

• the destruction of the Amazon rainforest

What has been a driving force behind deforestation in Brazil?

• the release of industrial waste

• the use of harmful pesticides

• the need for more farmland

• the expansion of oil drilling

Look at the map showing the population density of Brazil. Then answer the question that follows.

Why is the population density of central and western Brazil much lower than other regions of the country?

• because the land in those regions is covered by a dense tropical rain forest

• because most of the country's oil reserves are located along its eastern coast

• because temperatures in those areas tend to be much lower than in other areas

• because those regions are mainly used for large commercial farming operations

Use the population density map of Cuba to answer the question.

What conclusion can be drawn based on this map?

• Most Cubans live and work in major cities.

• Most Cubans work in Cuba's offshore oil fields.

• Most Cubans are farmers who live in rural areas

• Most Cubans are fishermen who live on the coast.

Why does Cuba need to import food for its people?

• The Cuban soil is too dry and sandy for plants.

• The Cuban climate is very cold and the growing season is very short.

• 
  There are people on the mountains that must have food flown to them.

• There is not enough space on the island to grow food for all of its people.

Why is the population density of Cuba much greater than the population density of Brazil?

• Cuba is a smaller land area than Brazil

• Brazil is largely agricultural, while Cuba is industrial.

• Brazilians emigrate at a much higher rate than Cubans.

• Life expectancy is much higher in Cuba than it is in Brazil.

Use the map to answer the question.

What explains the population distribution shown in the map?

• The best farmland is in the center of Mexico, and many people work in agriculture.

• Mexico's largest oil field is in northern Mexico, and many people work in the oil industry.

• Central Mexico is covered by a harsh desert, and it is very difficult to live in a desert climate.

• Southern Mexico is covered by tropical rain forest, and it is pleasant to live in a tropical climate.

What obstacle has hurt the Brazilian government's efforts to protect the Amazon Rainforest?

• public resistance to laws restricting manufacturing

• a lack of resources needed to enforce logging limits

• public resistance to laws restricting commercial fishing

• a lack of resources needed to enforce mining restrictions