volcanoes
what is a dorment volcano?
a volcan which has not errupted in a while but still can
from what is an earthquake caused?
from friction in the tectonic plates
pollution is mailny caused from what?
burning folssil fuels, factories
what is a greenhouse affect?
a natural procces that warms the earths surface
what thing can you use to measure changing temperature over time?
ice core samples
what is a shield volcano?
a volcano which is shaped like a little hill
where was the biggest earthquake?
chile
in what coutry there is the worst pollution?
india
which countries are the largest producters of carbon dioxide?
usa and china
which type of radiaton is the heat from the sun?
short-wave radiation
how hot is lava?
from 700-1200 *C
how often do big earthquakes occur in chile?
25-100 years
in what year was the worst pollution in the world?
2012
what do chlorofluorocarbons do?
destroy the ozone hole
since when there has been a rapid increase in gloal warming?
1950
what is the largest volcano called?
maunas loa"s
in what states in the US the most earthquakes happen?
california and alaska
what was the worst polluted country in europe?
turkey
where do chlorofluorocarbons come from?
aerosols and fridges
what environments/continents are the most affected by the global warming?
arctic places, africa
how long was the longest erruption in the world?
7 weeks
how many earthquakes are in the world each year?
20,000
in what year did pollution become a major problem?
1972
how long does greenhouse gases last in the atmosphere?
50-200 y
what animal did go extinct due to global warming?
the bramble cay