Short Q/A Environmental Chemistry I: The Atmosphere

Sulfur dioxide is a common pollutant from burning coal. State two effects caused by this pollutant.

Acid Rain Formation: Sulfur dioxide reacts with water vapor in the atmosphere to form sulfuric acid, leading to acid rain, which damages buildings, crops, and aquatic ecosystems. Respiratory Problems: SO₂ irritates the respiratory system, causing coughing, asthma attacks, and lung diseases in humans. Related Questions: List two main sources of acid rain. List four human activities that … Read more

List the components of the stratosphere and troposphere.

Troposphere: Composed of nitrogen, oxygen, carbon dioxide, water vapor, and trace gases. It is where weather changes occur. Stratosphere: Contains nitrogen, oxygen, and ozone. The ozone layer is located in this layer, which absorbs harmful UV radiation. Related Questions: List two main sources of acid rain. List four human activities that contribute to air pollution. What is … Read more

Explain temperature variation in the stratosphere and troposphere.

In the troposphere, temperature decreases with altitude because the Earth’s surface absorbs heat from the sun and warms the lower layers of air. In contrast, in the stratosphere, temperature increases with altitude due to the presence of the ozone layer, which absorbs ultraviolet radiation and converts it into heat. Related Questions: List two main sources … Read more

Define atmosphere.

The atmosphere is the layer of gases surrounding the Earth. It is composed mainly of nitrogen (78%) and oxygen (21%), along with trace amounts of other gases such as carbon dioxide, argon, and water vapor. The atmosphere plays a crucial role in supporting life by regulating temperature, providing oxygen for respiration, and shielding the Earth … Read more

What is the role of automobiles in air pollution?

Automobiles contribute to air pollution by emitting carbon monoxide (CO), nitrogen oxides (NOₓ), and hydrocarbons. These pollutants contribute to smog formation, acid rain, and global warming. The burning of gasoline and diesel also releases carbon dioxide (CO₂), a greenhouse gas that enhances climate change. Related Questions: List two main sources of acid rain. List … Read more

What is the importance of stratospheric ozone?

The ozone in the stratosphere is essential for life on Earth because it absorbs the sun’s harmful ultraviolet (UV) radiation. This protection prevents skin cancer, cataracts, and other health issues in humans while also shielding ecosystems and agricultural crops from UV damage. Related Questions: List two main sources of acid rain. List four human activities … Read more

List four human activities that contribute to air pollution.

Burning of fossil fuels for transportation, electricity generation, and industries. Deforestation, which reduces the absorption of carbon dioxide. Agricultural activities, including the use of chemical fertilizers and pesticides. Industrial processes that release harmful gases like sulfur dioxide, nitrogen oxides, and carbon monoxide. Related Questions: List two main sources of acid rain. What is the importance … Read more

List two main sources of acid rain.

The two main sources of acid rain are: The burning of fossil fuels, such as coal and oil, which releases sulfur dioxide (SO₂) into the air. Vehicle emissions and industrial processes, which release nitrogen oxides (NOₓ) into the atmosphere. Related Questions: List four human activities that contribute to air pollution. What is the importance … Read more