Question

Read the following passage and answer the given questions. (4)

Recent evidence suggests that the groundwater is under serious threat of overuse in many

parts of the country. About 300 districts have reported a water level decline of over 4

meters during the past 20 years. Nearly one-third of the country is over using their

groundwater reserves. In another 25 years, 60% of the country would be doing the same if

the present way of using this resource continues. Groundwater overuse is particularly found

in the agriculturally prosperous region of the Punjab and Western U.P., hard rock plateau

areas of Central and South India, some coastal areas and the rapidly growing urban

settlements.

I) Groundwater reserves are ____ in many parts of the country.

a) Increasing b) Stable c) Decreasing d) none of these

II) How much part of the country is over using the groundwater?

a) 1/4 b) 1/3 c) 1/2 d) 1/5

III) Groundwater is usually overused in _____ regions.

a) Industrially developed b) Barren c) Agriculturally developed d) all of these

IV) Hard rock plateau areas found in ___.

a) Eastern and western part of India b) Central and South India

c) North and Central India d) None of the above​

Answer 1

Answer:

zinc atomic number is 30.It has configuration [Ar]4s2 3d10. If it loses 2es it has completely filled 3d shell and attain stability to exhibit more than oxygen state it should excite the electrons as the excitation energy is too high it does not exhibit variable oxygen state.

Explanation: