chapter 28.4 Flashcards
increase in average temperatures of Earth’s near-surface air and oceans
global warming
warming of the pacific ocean off the coast of western South america that occurs every 3 to 10 years
EL Nino
occurs when trade winds in the pacific are unusually strong and surface water is colder than normal
La Nina
what are the two changes earths climate undergoes
seasonal
long-term changes ice age
how do seasonal change occure
as the earths revolves around the sun
whats is the period called earths surface covered in ice
ice age
how long ago did the weather become more regular
three thousands years ago
what are some factors that could cause climate change
earths access
distance from the sun
what are some human factors that can change climate
energy consuption
deforestation
industrial
what is deforstation
involves the clearing of large areas of forest land