<em>Hey There!!~</em>
<em>Your best answer choice is </em><em>B. Grams.</em>
<em>Hope This Helps!!~</em>

The answer is D. A, B, and C all use photosynthesis, and make their own energy. A cougar relies on killing other animals to get energy. I hope this helps!
4.
when you are addicted usually you might have withdrawals.
The popsicle gains thermal energy and the particles speed up.