The correct answer is all navigation near coral reefs, including anchorages and vessel routing that keep their safe distance and frequency at a minimum and respect all laws of utilization of marine resources and safe transit are not a threat to coral reefs. The threats would be excessive and unsafe navigation, abusive utilization of marine resources, pollution and hazardous material spills.
D - 'Like a house that a child might have constructed from cards' is the best option to indicate what the word 'ramshackle' means.
Ramshackle means something in severe disrepair (example: an old, rusty car is a ramshackle car or this house). A house that a child constructed from cards is also thought to be not sturdy and in need of repair when it comes down.
They are seen as an outsider
The answer is ...
to call attention to different sections and important information.
hope this helps :)
