Question

http://oi58.tinypic.com/if6hhz.jpg

1. Which area on the illustration represents the largest reservoir of nitrogen on earth?

A. area 1
B. area 7
C. area 3
D. area 4

2. In which areas of the nitrogen cycle does nitrogen move from the atmosphere into the soil?
A. areas 3 and 7
B. areas 1 and 4
C. areas 4 and 6
D. areas 6 and 7

3. At which point in the nitrogen cycle are nitrogen compounds carried by water from the land to lakes and oceans?

A. area 1
B. area 3
C. area 4
D. area 6

Answer 1

Well since this question was asked 8 days ago, I'm assuming you've already completed the quiz. I'm still going to post the answers just in case someone looks these questions up in the future.

1. Which area on the illustration represents the largest reservoir of nitrogen on earth?
Area 1

2. In which areas of the nitrogen cycle does nitrogen move from the atmosphere into the soil?
Areas 1 and 4

3. At which point in the nitrogen cycle are nitrogen compounds carried by water from the land to lakes and oceans?
Area 6