The first australians came across a land bridge from the outback tasmania southeast asia

Describe how ocean currents can affect a moving object ❕❕❕

Which is not an example of a  cultural  bond found in a nation-state? a. a holiday traditionb. a common religionc. a favorite placed. a shared history

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?