Question

1. ਜ਼ਮੀਨਦੋਜ਼ (ਧਰਤੀ ਹੇਠਲੇ) ਜਲ (ਪਾਣੀ) ਦਾ ਪੱਧਰ ਵਧਾਉਣ ਲਈ ਕੀ-ਕੀ ਯਤਨ ਕੀਤੇ ਜਾ ਸਕਦੇ ਹਨ?
ਵਿਦਿਆਰਥੀ ਆਪੋ-ਆਪਣੇ ਵਿਚਾਰ ਲਿਖਣ।​

Answer 1

Answer:

hope its helpful dear

Explanation:

An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i2 = −1. The square of an imaginary number bi is −b2. For example, 5i is an imaginary number, and its square is −25.