What is the load in a circuit ? A where the energy stored, such as in a battery or solar cell B what is being powered by the circuit, such as a light bulb, buzzer or fan C what connects all parts of the circuit D what picks up heavy metallic objects

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

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.