climate change Flashcards
1
Q
what are are the greenhouse gases?
A
carbon dioxide water vapour methane ozone nitrous oxide
2
Q
what is a heat sink?
A
a reservoir, such as an ocean, that absorbs and stores thermal energy
3
Q
ways to study past climates
A
ice cores
tree rings and coral reefs
rock, ocean sediment, and caves
4
Q
evidence of changing climate
A
rising temperatures
melting glaciers, ice sheets, and sea ice
rising sea level
5
Q
what is causing greenhouse gases to increase?
A
burning fossil fuels
deforestation
agricultural practices
industrial practices
6
Q
what main effect is causing temperatures to rise?
A
anthropogenic greenhouse effect
7
Q
ways to reduce greenhouse gases
A
use less fuel by walking or biking to places you need to go
use clean energy sources such as wind mills
use less nitrogen fertilizers
recycle
compost
plant trees
reduce deforestation
