I think its free nitrogen
Mutualism is when both sides benefit. The hummingbird gets nectar and the flower is benefited because the hummingbird that has been to other flowers carry pollen on its body which spread the flower when it sucks its nectar, therefore pollinating the flower in the process.
The highest power objective because you will see the specimen perfectly
The answer to this is, they both are commensalism.
because weight depends.upon gravity and mass but gravity on earth d differs from gravitu on moon
