volcanoes affecting climate

Question 1

during volcanic eruptions what is injected into the stratosphere?

Answer 1

volcanic gases
aerosol droplets
ash
sulphur dioxide sometimes

Question 2

what — dioxide causes global cooling and which one causes global warming?

Answer 2

sulphur dioxide - global cooling

carbon dioxide - global warming

Question 3

when did pinatubo erupt?
how much sulphur dioxide was injected into the stratosphere? how much did this cause global temperatures to drop by?

Answer 3

pinatubo erupted in 1991

it injected 20 million tons

0.5 degrees Celsius

Question 4

in 2010 how many metric tons of carbon were released due to human activities?

Answer 4

35 billion metric tones

Question 5

when did mount st helens erupt? how many metric tons of carbon emissions did it release into the atmosphere? in what time period?

Answer 5

1980 mount st helens erupted

10 million tons of co2 was released into the atmosphere

in only 9 hours