Read the given options and try to answer the following questions.
Water, Crops, Metals, Utensils, Fabrics, Sunlight, Plastic, Brass
a. Identify list of various metrials used by us in life and classify them as natural and man made resource.
b. Can we use all our natural resources forever?
c. Discuss if air, water and soil can be exhausted by human activities.

Explanation

b. No. We canot use natural resources forever as they are present in limited amount in nature and take more than thousand year to regenerate again.
c. No, air water and soil cannot be exhausted by human activities because these are renewable resources.