Suelo

The video tutorial explores the composition and formation of soil, highlighting its importance in supporting life on Earth. It explains how soil is formed from disintegrated rocks and decomposed organic matter, emphasizing the role of humus in enhancing soil health and productivity. The tutorial also discusses the different types of soil, such as clay, silt, and sand, and their characteristics. Additionally, it underscores the critical role soil plays in ecosystems by providing nutrients and a habitat for organisms. The video concludes by encouraging viewers to reflect on why soil is considered the foundation of life.

What is humus and why is it important for soil?

• A mineral that hardens soil

• Decomposed organic matter that enriches soil

• A type of rock that forms soil

• A type of sand found in deserts

How do earthworms contribute to soil health?

• By providing nutrients through their waste

• By eating rocks and minerals

• By creating tunnels for air and water

• By decomposing plant roots

Approximately how long does it take for an inch of soil to form?

• 1000 years

• 100 years

• 10 years

• 10,000 years

Which type of soil is best for a garden due to its nutrient content?

• Clay

• Gravel

• Silt

• Sand

What is the main characteristic of sandy soil?

• It is smooth and silky

• It is full of humus

• It is dense and moist

• It is rough and found in deserts