Front

What is a boreal forest?

Back

A biome characterized by coniferous forests, cold temperatures, and short growing seasons, typically found in northern regions.

Front

How old are fossil fuels?

Back

Fossil fuels are millions of years old, formed from the remains of ancient plants and animals.

Front

What are greenhouse gases?

Back

Gases that trap heat in the atmosphere, including carbon dioxide, methane, and nitrogen oxides.

Front

Why do ultraviolet rays cause sunburn?

Back

Ultraviolet rays have higher frequencies than visible light rays, which means they have more energy and can damage skin cells.

Front

What is the equation for cellular respiration?

Back

6O₂ + C₆H₁₂O₆ → 6CO₂ + 6H₂O + Energy.

Front

What is the greenhouse effect?

Back

The process by which greenhouse gases trap heat in the Earth's atmosphere, leading to a warming effect.

Front

Define cellular respiration.

Back

A metabolic process in which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Front

What is the role of carbon dioxide in the atmosphere?

Back

Carbon dioxide is a greenhouse gas that helps regulate Earth's temperature by trapping heat.

Front

What are the main components of the water cycle?

Back

Evaporation, condensation, precipitation, and collection.

Front

What is the significance of the ozone layer?

Back

The ozone layer protects Earth from harmful ultraviolet radiation from the sun.