Yooo it's A, tributary. these are small streams connecting to a bigger lake or ocean. hope this helps, have an amazing day :)
Paula tossed the football over the fence.
The Everglades located in Florida is an example of a freshwater wetland
With everything else as constant (the planet's gravity, itself), then yes, this is true. But, if the planet's gravity still exists, then the Sun's gravitational force doesn't matter as much because of the astronomical distance between the two bodies.
