Front

What is a noticeable effect of global warming?

Back

Rise in sea levels.

Front

What biological treatment method is used in wastewater treatment?

Back

Microorganisms break down organic matter in the water.

Front

What pH measurement of rainwater indicates acid precipitation?

Back

pH 4.1.

Front

What type of solar radiation does the ozone layer absorb?

Back

Ultra-violet.

Front

What device is used on factory stacks to remove gases and particulates?

Back

Scrubbers.

Front

Define global warming.

Back

The long-term increase in Earth's average surface temperature due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.

Front

What are greenhouse gases?

Back

Gases that trap heat in the atmosphere, including carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O).

Front

What is acid rain?

Back

Precipitation that has a lower pH than normal rainwater, typically caused by sulfur dioxide (SO2) and nitrogen oxides (NOx) emissions.

Front

What is the role of scrubbers in air pollution control?

Back

Scrubbers remove harmful substances from industrial exhaust gases before they are released into the atmosphere.

Front

What is the significance of the ozone layer?

Back

It protects living organisms by absorbing the majority of the sun's harmful ultraviolet radiation.