chapter 28.4 Flashcards
an increase in the average temperatures of earths near surface air and oceans
global warning
the warning of the pacific ocean off the coast of western south america that occurs every 3 to 10 year
el nino
which occurs when trade winds in the pacific are usually strong and surface water is colder than normal
La Nina
how do seasonal changes happen
revolving around the sun
which hemisphere is in summer
tilted tours the sun
what is the period of time that was covered in ice
ice age
how long ago did the world climate reach it current pattern
3000 years ago
what are some factors that cause climate change
till of earth axis of rotation the shape it is orbit and the timing of the seasons
how do humans create climates 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
because we rely on trees
what are the two ways that the carbon cycle are affectred
by deforestation and loss of vegetation