CLEAN : River pollution brings toxic foam to the outskirts of Bogota

The video tutorial begins with an introduction and context setting, followed by a discussion on various problems and issues. It then shifts focus to contamination and explores possible solutions to address it. The content is a mix of different topics, including environmental concerns and problem-solving strategies.

What is introduced as a potential problem in the first section?

• A scientific experiment

• A new video game

• A mysterious Puma and Daniela de la Casas

• A historical event

Which of the following is mentioned as a sign in the second section?

• A new technology

• The importance of colors and time

• A musical instrument

• A famous painting

What is the main focus of the final section?

• The history of a city

• The impact of contamination on the environment

• The development of a new language

• The creation of a new art form

Which materials are mentioned as contributing to contamination?

• Local materials and dead animals

• Plastic and glass

• Wood and metal

• Paper and cloth

What is the role of detergents in the context of contamination?

• They help clean the environment

• They are used in cooking

• They generate contamination

• They are part of a scientific study