I'm not sure but I think it's B
A. The great egret. It has a similar hunting area (the edge of the pond) and also eats fish, as well as other similar prey to the great blue heron
Answer:
B
Explanation:
Mass is constant. Weight varies due to gravity.
For example, On earth you weigh 75kg but on Jupiter you weigh 275kg (not accurate). Your weight has varied. However your mass is the same on both planets.
