Seatwork #3

Why is water considered essential for life?

• It is the main component of rocks.

• It regulates temperature.

• It constitutes about 90% of living things.

• It is mainly found in the atmosphere.

What is the primary function of the atmosphere?

• To support life on earth.

• To block sunlight.

• To create weather patterns.

• To filter the rain water on the ground.

Water covers 70% of Earth's surface. What percentage of the water moves in its different states, through atmosphere, biosphere and lithosphere?

• 3%

• 10%

• 30%

• 50%

What term describes the regions of Earth that support life?

• the atmosphere surrounding the Earth.

• the hydrosphere, which includes all water bodies.

• the biosphere, encompassing all living organisms.

• the lithosphere, which consists of the Earth's crust.

Why non-renewable resources like iron-ore should be regulated on its use and consumption?

• It is a flammable substance.

• It can naturally be replenished whilst it is consumed.

• It is important to filter the heat of the sun.

• It takes millions of years to be replenished.

What is human geography primarily concerned with?

• The study of Earth's physical features.

• The interaction of human and the physical environment.

• The distribution of plants and animals.

• The historical events that shaped societies.

Identify two ways in which human activities can negatively impact the quality of water in rivers and lakes.

How does the use of renewable energy sources impact the various spheres of the Earth?

Answer explanation

The use of renewable energy sources reduces greenhouse gas emissions, mitigates climate change, and promotes ecological balance, positively impacting the atmosphere, hydrosphere, and biosphere.

What are the best practices for sustainable management of non-renewable resources such as coal?

Answer explanation

Best practices for sustainable management of coal include reducing consumption, improving energy efficiency, investing in cleaner technologies, implementing carbon capture and storage, and promoting alternative energy sources.