Problems with materials Flashcards
1
Q
what is carbon dioxide
A
it helps trap the suns energy and so increases the greenhouse effect,leading to climate change
2
Q
what is the greenhouse effect
A
the warming effect on the earth’s surface caused by greenhouse gases
3
Q
what is biomagnification
A
Because larger animals ate many smaller animals, the concentration of the compound was increased in animals further up the food chain.
4
Q
what are non-biodegradable materials
A
the are designed to last for a long time and they do not break down naturally which can cause pollution problems
5
Q
what are biodegradable materials
A
They break down in the soil and are made using renewable resources from plant
