Im pretty sure its d, but im not sure
A testable question is something you need data for, ex: if i bounce a bouncy ball from larger heights, how high will it fly? it can't be just a regular yes or no question
Answer: Skunk
Explanation: The panda will try to use their slow attack, but the skunk will counter it with their stinky spray that smells bad and the panda will run away.
You didn't put any answers, but probably environmental groups.
Nests, small organisms such as lizards, snakes, small birds, rock formations, skeletons of small animals.