Explanation: Plants are producers because they make their own food in the presence of sunlight through the process of photosynthesis. Photosynthesis is a process in which plant absorb carbondioxide from the atmosphere and water from the soil. When these two substances combine in the presence of sunlight, it produces glucose and oxygen. Oxygen is released in the atmosphere while glucose is stored in different parts of plant body.
the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.