How can I conserve phosphorus in my community?

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully