Question

Please help me. Mai aapka aabhari rahunga​

Answer 1

3)

a.The mineral resources of the earth have been exploited.

b.They are uniformly distributed over the surface of the earth.

c.They are mixed with large varieties of impurities.

d.They are exhaustible resources.

4)

a. Stone age is the time when humans was marked to made weapons from stones.

b. Probably copper was the first mineral that humans learned to mine.

c. Then, humans made more stronger and durable mineral by mixing copper with tin.

OR

c. Then, humans made tin by mixing more stronger and durable minerals.

d. Soon the bronze age was replaced by the age called Iron age.

Please Mark The Answer As BRAINLIEST.