Why dies???? what do you mean
In competition, males use feather color to warn potential rivals that they occupy a piece of territory.
Answer:
D
Explanation:
Carbon is expelled not used for producing sugars or any of that
Answer:
Mass does not affect gravity and distance has an indirect relationship.
Explanation:
The equation for gravity is, g = 
where, G = gravitational constant
M = mass of the planet
R = distance between the bodies (object and center of planet)
so, gravity depends on the mass of planet, not on mass of object
and is inversely proportional to sqaure of distance.