paper 2 biology Flashcards
1
Q
biodiversity meaning
A
a measure of variety of all the different species
2
Q
what causes acid rain
-what acids are formed
A
acid rain is caused by human fossil fuel build up
-sulfuric and nitric acid is formed
3
Q
what does a catalyst converter do
A
its fitted to the bottom of cars to reduce the levels of nitrogen oxides produced,
it contains a catalyst to speed up the reaction
4
Q
bioaccumulation meaning
A
the concentration of a chemical in a biological organism over time
5
Q
what’s a peat bog
A
dense wet lands filled with decaying vegetation
6
Q
A
