Fill in the blank: The three states of water are ___, ___, and ___.

Solid, liquid, gas

How does the water cycle contribute to the availability of freshwater?

The water cycle recycles water through evaporation, condensation, and precipitation, replenishing freshwater sources.

In what type of geological formation do aquifers typically exist?

Aquifers are found in layers of porous rocks that can store and transmit groundwater.

What are the main agricultural uses of water?

Water is primarily used for irrigation, livestock watering, and crop processing.

What impact does water scarcity have on plant life?

Water scarcity leads to reduced growth, lower photosynthesis, increased susceptibility to diseases, and potential plant death.

What innovative solution did the villagers of Sandharsi implement to manage water scarcity?

They built ponds in their farmlands to store excess rainwater for irrigation during dry spells.

True or False: Constructing dams and reservoirs has no effect on flood control.

False. Dams and reservoirs help regulate water flow and prevent flood damage.

What method can significantly reduce water wastage in agriculture?

Drip irrigation, which delivers water directly to the roots of plants drop by drop.

How was the rainwater harvesting system implemented at the government school in Untka beneficial?

It provided a sustainable source of drinking water, reducing reliance on saline underground water.

Fill in the blank: Coastal plains are a rich source of groundwater but can be contaminated by ___ inflow.

Saltwater