This is mostly a personal a question but some ways everyone contributes it by using single use plastics, not recycling or composting our waste, and excessive water use. All of these things contribute to land pollution and pollution in general. There are things you can do to try and keep yourself from contributing to pollution as much. You can use reusable silverware and other, usually, plastic objects. This is something like using a reusable straw, cup, packaging etc. You can take shorter showers and use less water when watering your lawn or other garden areas. You can also make sure to recycle and compost your waste. All of these things will greatly help with your contribution to pollution.
The correct answer of this answer is option C. The description of the attire of the strange man say of his social status that he belonged to the nobility. A nobleman uses special fabrics in his clothes. This denotes the status of a nobleman.