Even though the idea of recycling materials and using them in other ways seems like a good idea, why is the idea of using recycled tires at playgrounds a concern for some scientists

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.

look at this it will give you up to 17 answers