28.4 Flashcards
global warming
increase in average temperature of Earth’s near-surface air and oceans
El Nino
Periodic warming of the Pacific Ocean off the coast of western South America the changes global weather patterns.
La Nina
periodic cooling of equatorial ocean surface temperature that modify global weather patterns.
What are two climate changes that earth undergoes
Seasonal and long-term
How do seasonal changes happen
when earth revolves around the sun.
Which hemisphere is in summer?
The hemisphere tilted toward the sun
Which hemisphere is in winter
The hemisphere tilted away from the sun
What is the period of time where earths surface was covered in ice
The Ice Age
How long ago did the world climate reach its current path
only about 3,000 years ago
What are some factors that cause climate change
Earth axis, the shape of orbit, the timing of the seasons.
How do humans create climate change
energy consumption, deforestation, and industrial and agricultural practice.
What is deforestation
involves the clearing of large areas of forest land.
how does deforestation cause climate to increase
Tree remove carbon dioxide, More CO2 is released
What are the two ways is the carbon cycle is affected
Deforestation and loss of vegetation.
