Answer:
1. Carry a larger bottle of water (not plastic)
2. Put the egg in the sandwich??
3. Clean up with the materials she bought her lunch in.
4. Keep the unused/clean materials to clean up with next time.
5. Put the peanuts and the banana in the same package.
6. Just bring one larger drink (not 2 small bottles of water and a 250ml carton of orange juice.
Not sure if they are all right, but this is all I could think of. :)
This is cellulose,because humans lack enzymes to break it down
Some minerals can form from the air combining with substances, they can form from igneous rock, and sometimes minerals can re crystalize from metamorphic rock