The simplest answer would be "acceleration due to gravity."
The exact value of this acceleration changes depending on which planet your on (for example).
D - tertiary consumer
This is because it is the farther up to food chain.
True, I'm not the best when it comes to science, but I'm pretty sure it's this
<span>A. An impulse of a force changes the momentum of a body and has the same units and dimensions as momentum.</span>