Answer:
The mass of an object is a measure of the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it. Mass does not change with gravity as weight does due to the act of pulling down on an object making it in fact heavier.
Explanation:
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The object's mass. Weight would be how gravity affected it, size is how large it is, density is how tightly the molecules are to each other. Mass is how much matter is in the object.
Plant cells have cell wall but animal cells don't have any cell wall.
That would be the synthesis of body mass in a primary consumer (herbivore who eats the plant).
Answer:
Dogs because they are really more friendly than cats.
hope this helps