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What percentage of earths surface water is in the form of glacial ice?
Approximately 69%
Glacial periods are caused by?
progressive cooling of earths surface. earths heat balance could change as orbit alters.solar radiation fluctuations, periodic changes in earth tilt and orbit. loss of heat from earths surface through reduction of carbon dioxide content of atmosphere. volcanic eruptions, short term cooling of globe could increase effect if lots erupted over longer periods of time. volcanoes and climate, the little ice age 1645-1715.
How does ice erosion affect earth's surface?
Ice erosion occurs when glaciers and ice sheets slowly move across the Earth's surface, scraping and carrying away rock and sediment. Over time, this process can create valleys, fjords, and other distinctive landforms. Additionally, as the ice melts, it can contribute to rising sea levels and changes in the landscape.
Which is thought to be most responsible for earths ice ages?
Earth's precession
Do cirrus clouds form near or far from earths surface?
Cirrus clouds form far above the Earth's surface, typically at altitudes above 20,000 feet. They are thin and wispy in appearance and are composed of ice crystals.
What can large ice sheets do to change the landscape of the earths surface?
changes the climate
How does ice change the earths surface?
frezze plants
Compare the Earths climate today with its climate during the ice age?
it's warmer and drier now, than during the Ice Ages
What percentage of earths surface is in the form of glacial ice?
69%
What types of vegetation grows in the earths major climate regions?
tundra and ice
Which part of earths history is shown by analysis of ice cores?
Changes in climate
What changes in the earth orbit and the tilt of the earths axis cause ice ages?
Climate
Huge mass of ice that moves slowly across the earths surface?
It is an iceberg.
How does ice change the earth surface?
it will over flood the earths surface with melt water of the ice berg and detroy land under sea level
How does climate change affect sea ice?
climate change affects the sea ice because if it is too hot the ice melts, and if it is too cold it will freeze.
How does ice erosion effect Earth's surface?
It doesnt effect the earths surface, it affects the the earth surface by expanding cracks in the ground.
What percentage of earths surface water is in the form of glacial ice?
Approximately 69%
