The vessels use three main colors (white, green and red) where each color alone, combination of two colors as well as the three colors together each has a certain meaning. This meaning is sort of an international code that is agreed all over the globe.
So, based on this code, the presence of only visible white light means that your vessel might be overtaking another vessel. In this case, you should give way to either sides. The other vessel should standby until an action is taken from your end.
Answer:
A liquid, and example is water, since it can form into the shape of its container.
Explanation:
Not everything is one type of element. There are compounds, simple ones like water and complex ones like wood, that exist on Earth and makes life more diverse.