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Super volcanoes. A super volcano could emit so much smoke and ashes into the atmosphere, that an ice age could occur because of the limited sun light. This cloud of ashes could cover vast areas of the earth and could take a long time to dissolve.
A comet. A comet could cause similar effects as super volcanoes.
A third possible cause of mass extinction is when the ice-age ended and there were massive floods. This also caused extreme climate change.
The snowball effect. Where the earth freezes and kills almost all life on earth.
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What the letters does NOT represent one of the possible bases in the DNA structure?
The letter R does not represent one of the four possible bases in DNA. The four bases in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G).
What are the four elements in the left side header in writing?
The four elements in the left side header in writing are the author's last name, the page number, the student's full name, and the instructor's name.
What is the biggest country in the world with only four letters in its name?
"Peru" is the biggest country in the world with only four letters in its name.
Which correctly describes the effect crossing over during meiosis?
It causes the cell to split into four haploid cells.
What is the name given to the for point compass?
The name given to the four-point compass is a "cardinal compass." It consists of the four primary directions: north, south, east, and west.
Which event is the most likely cause for the four periods when punctuated equilibrium seems to occur?
Extinction events, such as the Permian extinction and the KT extinction event. You have adaptive radiation driving evolutionary change after such events. Google " the rise of the mammals. "
What are four current theories for the death of bee hives?
There are many possible causes of the reduction in bee hives. Pesticides, mites, antibiotics and the Israeli acute paralysis virus are all potential causes.
Which event is the most likely to cause for the four periods when punctuated equilibrium seems to have occurred?
Extinction events, such as the Permian extinction and the KT extinction event. You have adaptive radiation driving evolutionary change after such events. Google " the rise of the mammals. "
Who are the four founders of pop art?
So many Pop artists emerged simultaneously that I do not think it is possible to name four founding fathers.
Possible causes of no fire at spark plug on 1997 Honda four trax ATV?
Spark plug may be bad or coil may have went bad.
What four ways that managers can shape employees behavior?
Positive reinforcement, negative reinforcement, punishment, or extinction.
What causes engine failure?
There are four causes of the engine failure. The four causes of the engine failure includes engine overheating, lubrication problems, misassembly , and detonation.
What killed the sloths?
Sloths are not extinct. There are four extant species, two of which are endangered and two which are in no apparent danger of extinction.
List at least four causes of hard drive problems?
list at least four causes of hard drive problems?
Is it possible to have four arms?
no
Name four possible energy sources for a circuit?
nombrar cuatro posibles fuentes de energia para un circuito
What are earths four motions?
Earth has four main motions: rotation, which causes day and night; revolution, which causes the annual seasons; precession, which causes a slow wobble in its axis; and nutation, which causes a slight variation in the tilt of its axis.
