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"

The larges lakes in the world are found in: asia europe north america south america

Which of the following describes what rocks usually are composed of ,

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?