Adrenalin hormone produced by the adrenal glands help the body adjust to stress.

Pabbar river is a tributary of Tons river which in turn drains into Yamuna

Famous Tributaries of Ravi: Bhadal, Tant Giri, Siul, Baira

Tons river joins river Yamuna at Kalsi which is in the North-western part of Dehradun valley.

It is an important Tributary of Yamuna

The ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (UVR) from the sun, protecting life on Earth from its potentially harmful effects. When the sky is clear, there is an inverse relationship between stratospheric ozone and solar UVR measured at the Earth’s surface

Intrusive rock, also called plutonic rock, igneous rock formed from magma forced into older rocks at depths within the Earth’s crust, which then slowly solidifies below the Earth’s surface, though it may later be exposed by erosion.

In Simple language, sometimes molten magma cools down deep inside the earth’s crust. Solid rock so formed so called as Intrusive igneous rocks.