Lecture 8 Flashcards
(6 cards)
1
Q
What do plants need to photosynthesize?
A
Water, sunlight and carbon dioxide
2
Q
Calcium carbonate (limestone)
A
Largest carbon reservoir on Earth
3
Q
Vegetation-albedo effect
A
More veg= less albedo; more humidity and rainfall (convection; warm air rising)
4
Q
2 process that increase atmospheric carbon
A
Deforestation and combustion of fossil fuels
5
Q
How did Earth’s atmosphere form?
A
From gases from volcanic eruptions 4.6 billion years ago
6
Q
Jokulhlaups
A
Outburst floods from glacier melt water due to a volcanic eruption
