What does vishnu mean when he states "ones duty, though defective, is better than another's duty well preformed. Performing the duty prescribed by nature, one does not incur sin"

It is better to do what you are supposed to do, than doing someone else's better

im pretty sure its none of them

all 4 come together due to gravity

all objects have gravity, even atoms

but their gravitational force is very low and it takes a long time for them to become closer together

answer; i thinking 4.5 million. in sydney australia;