Which of the following dams is constructed in Gujarat?

Where are coliform bacteria found in human beings?

Why do we need alternative sources of energy?

Which of the following is a biological natural resource?

In our country,there are attempts to increase the height of several existing dams like Tehri and Almati,dams across Narmada. Choose the correct statements among the following that are a consequence of raising the height of dams:
$(i)$ Terrestrial flora and fauna of the area is destroyed completely.
$(ii)$ Dislocation of people and domestic animals living in the area.
$(iii)$ Valuable agricultural land may be permanently lost.
$(iv)$ It will generate permanent employment for people.

For the protection of which trees did Amrita Devi sacrifice her life along with other individuals in the year $1731$?