Peer teaching (ecology and upcycling)

is the complex of living organisms, their physical environment, and all their interrelationships in a particular unit of space.

Answer explanation

Ecosystem is the complex of living organisms, their physical environment, and all their interrelationships in a particular unit of space. (Britannica Encyclopedia)

Ecosystem includes all the living things in an area and the way they affect each other and the environment. (Cambridge Dictionary)

What is the ozone layer?

• The same as the ozon shield.

• A thin part of Earth's atmosphere that absorbs almost all of the sun's harmful ultraviolet light.

• Region of the upper atmosphere, between roughly 15 and 35 km above Earth’s surface.

• All of the above.

• No right answers.

Answer explanation

According to the Britannica Encyclopedia, the ozone layer is a layer of the upper atmosphere, (between approximately 15 and 35 km) above Earth’s surface, containing relatively high concentrations of ozone molecules (O₃), which absorbs solar radiation and thus serves as a shield from ultraviolet radiation for the Earth.

Limited resources that will eventually run out/be exhausted are called ...

• terminable resources

• finite resources

• restricted resources

• bounded resources

• confined resources

Answer explanation

Finite resources are limited resources that will eventually run out/be exhausted.

Renewable energy resources include:

• solar power

• wind energy

• hydropower

• bioenergy

Answer explanation

The United Nations lists the solar energy, wind energy, hydropower (+ geothermal and ocean energy) and bioenergy among renewable energy resources.

Recycling and upcycling are synonyms.

• True.

• False.

Answer explanation

According to ChatGPT's abstract,

Recycling: transforming waste into new products with similar quality.

Upcycling: creatively reusing materials to create higher-value items.

Bonus! Downcycling: recycling into products of lesser quality or utility.