Asailboat and a pwc are meeting head-on. which one is the give-way vessel?

In this particular situation, there is no stand-on vessel. So, the two power-driven vessels are meeting head to head in an approaching pattern, so both vessels are considered to give way and both are required to alter course to avoid colliding with each other because neither of them has the right of way.

The characteristics of groundwater is said to be: are weak turbiditya constant temperaturechemical composition and almost overall absence of oxygen.