Fossils-8
How many years ago was the last huge glacier?
18,000 Years ago
What is known to cause the extinction of dinosaurs
A meteorite
The events of 1815 were caused by
A volcanic eruption
The mass extinction at the end of the cretacious period was caused by ------.
An astroid in mexico
A tsunami is caused by
An earthquake on the ocean floor
Which event caused craters
Asteroids
What event is most likely to prevent sunlight
Astroid impact
Volcanoes
Cause multiple problems in iceland
Why does earth not look like the moon?
earths surface is changing constantly.
How do people minimize risk?
hazard mitigation
Less developed countries are more vulnerable to natural disasters because of-----
poor infrastructure
What will have the greatest event on sea levels?
the end of an ice age
Although scientific theories vary, it is believed that ------- caused the Permian extinction.
Glaciers
What formed the great lakes
Glaciers
What doesnt contribute to coral reef changes
Hole in ozone
Changes in the earth are mostly caused by
Ice ages
Plate tectonics cannot cause
Ice ages
What would NOT be a consequence of global warming
Increase in biodiversity
If particles are in the atmosphere radiation reducesld and some lifeforms are extinct what happened
Volcanic eruptions
What two events cause mass extinction
Volcanic eruptions and asteroids
Most islands in the southwest was caused by
Volcanoes
The hawaiian islands were caused by
Volcanoes
Why is there no evidence of older volcanoes?
Earths changing surface
During ice ages does the sea level rise or fall and why?
Fall because ice freezes out of the water.
During the last ice age the sea level was -----than it was today.
Lower
