Part 3: Reading Comprehension (Set 1)

In paragraph 1, what happens when the earth's resources are polluted?

• All forms of lives are threatened.

• Organisms such as algae are in danger.

• Human beings and animals only might die.

• Pollutants can cause health issues for human beings.

Answer explanation

It is stated in the paragraph that all forms of life (which includes, humans, animals and organisms) will be affected.

From paragraph 2, why is some air pollution invisible?

• Because it can make people's eyes burn

• Because most dangerous gases are odourless and colourless

• Because a person can see dark smoke pour from the exhaust pipes

• Because it comes from burning fossil fuels

Answer explanation

It is invisible to human eyes because some harmful gases are colourless, making it invisible.

From paragraph 3, what is global warming?

• Gases allow sunlight to enter Erath's atmosphere but make it difficult for heat to escape

• Increase in the average temperature of the Erath due to greenhouse effect.

• Precipitation with high levels of carbon monoxide.

• Decrease in the average temperature of the Earth.

Answer explanation

The increase in worldwide average temperatures, caused in part by human activity, is called global warming.

In paragraph 4, which statement is true?

• People who drink polluted water may die instantly after consumption.

• 4000 children worldwide die from water pollution every month.

• Water pollution only harms people directly.

• Some polluted water that looks clean may contain colourless and odourless chemicals.

Answer explanation

All the other 3 answers are not true, they die over a time period, 4000 children die daily and water pollution can affect people indirectly. Only statement of D is relevant here.

In paragraph 5, how does the acid from mining and drilling turn into chemical sulphur?

• Acid is used to wash the stones, when released into the water creating a chemical.

• The reaction of rocks and sand due to the acid released creates chemical sulphur.

• The reaction between the rocks and sand in the river.

• Fertiliser released into streams and lakes causing harmful chemical.

Answer explanation

Acid helps miners remove coal from the surrounding rocks, The acid is washed into streams and rivers, where it reacts with rocks and sand. It releases chemical sulphur from the rocks and sand, creating a river rich in sulphuric acid.

In paragraph 6, how can land pollution indirectly affect human health?

• When people eat the fruits and vegetables that may have been exposed to dangerous pesticides and fertilisers, causing health issues.

• Litter makes it difficult for plants and other producers in the food web to create nutrients.

• Mining sometimes leaves the soil contaminated with dangerous chemicals affecting living things.

• Things that are not recycled and appliances mar the landscape.

Answer explanation

Consuming poisoned vegetables and fruits can cause cancer.

What are some of the efforts that could be taken by all governments around the world?

• Give more license to factories to build more encourage the usage of pesticides.

• Governments should build more skyscrapers and support deforestation.

• Governments should enforce laws that limit the amount and types of chemicals factories and agribusinesses are allowed to use.

• The government should punish citizens who do not recycle at home.

Answer explanation

Governments can combat pollution by passing laws that limit the amount and types of chemicals factories and agribusinesses are allowed to use.

Choose the correct definition of the pollution from the answers below.

• Indoor Air Pollution - Caused by pesticides and carbon monoxide from air.

• Light Pollution - Caused by the excess amount of light in the night sky and mostly in urban areas.

• Noise Pollution - From the songbirds, such as robins, which it uses to communicates or find food.

• Plastic Pollution - Caused by the usage of biodegradable materials that are used as containers.

Answer explanation

Light pollution is the excess amount of light in the night sky. Light pollution, also called photo pollution, is the most always found in urban areas.