1. the producer is the wheat/plant (producers create their own energy, example is photosynthesis in plants)
2. the consumer is the bird (hint all consumers have mouths. they have to eat/ drink something to produce energy)
They are called precipitates.
Answer:
the answer to this question is 2 kilogram/cubic meter
Explanation:
B burning a piece of wood
Ash is a chemical substance not apparent before the chemical change,the fire burning the wood