The cold climate zone near both poles:

The area between the tropical and the polar zones with seasonal climate:

The side of a mountain range that faces the oncoming wind and receives precipitation:

The average, year-after-year conditions of temperature, precipitation, winds, and clouds in an area:

The side of a mountain range that faces away from the wind and receives little to no precipitation:

Sea or land breeze over a large region that can bring heavy rain:

Cold periods in Earth's history during when glaciers covered large parts of the surface:

Dark, cooler regions on the surface of the sun that causes Earth's temperature to rise:

A warm-water event that can change weather patterns causing heavy rains or droughts:

A cold-water event in the Pacific ocean that brings colder than normal winter weather:

A gradual increase in the average temperature of Earth's atmosphere:

Gases in the atmosphere that trap heat; carbon dioxide (CO₂) is a major one:

Chlorine compounds that are the main cause of the ozone hole:

Both El Nino and La Nina have this in common

During an El Nino, it rains

How often do El Nino events occur?

The image is of a(n):

The picture below is of a(n) ____ event.

The picture represents a(n) ___ event.

Without question, ENSO events:

Why do the fisherman of Peru and South America not welcome a strong El Nino?

The thinning of the ozone layer is also known as the

Ozone is formed in the

Skin cancers can be formed by

SUnburn occurs when your skin is exposed to harmful ______ rays

Gamma radiation can be used to treat

What is the normal amounts of ozone in the atmosphere?

The concentration of ozone is measured in _____ units. The blue and purple colours represent ____ levels of ozone.

What is the concentration (amount) of ozone measured in?

What is the correct equation for the breakdown of ozone?

When Hazza Al Mansouri travelled to space, which layer of the atmosphere was he in?