From top to bottom: Earth, Saturn, Mars, Uranus, Venus, Jupiter
Hey there! The answer to your question is B. surface waves!
HOPE I HELPED!!!!!!!!!!!!!!!
Answer: B )
Explanation: Hawks are on the top of the food chain in this question so it makes sense to only have few while having a good amount of bunnies to feed them. This all would need grass to bunnies alive; with process of elimination this was solved.