A polarizing camera has a great affect on photo quality. When using a polarizing camera, skies are often darkened, reflections are controlled, and glares are often brought down or suppressed. Hope this helped :)
They are all freshwater. So the closest would be c. an estuary since it has a free connection with the sea since the sea is not freshwater.
So C.
hope this helps!
The mass would be 0.5kg
To find the mass of an object with acceleration and force would be
m = f/a
I hope this helps. Please rate Brainliest if it did :D