Grade aa eggs are nearly perfect
D: Human feet come in a wide range of sizes. There isn't a lot of gray area or space for ranges of things in medel's laws, but they still work in a lot of cases.
Answer:
Producers
Consumers
Decomoposers
Detritivores
Explanation:
Nitrogen is very important element to all living organisms. Producers which comprises of plants have nitrogen fixing bacteria which helps in its growth.
Consumers, Decomposers and Dentrivores need nitrogen for their growth, through the building up of protein and also for DNA metabolism which helps in reproduction.
O2 is just elemental oxygen. It's a pure substance, but not necessarily because it only contains oxygen atoms, it's because there's only oxygen molecules present.
