So the correct answer is 'Eichhornia crassipes' An aquatic plant introduced from America to check pollution turned out to be a troublesome weed in Indian water bodies.

This is a list of sovereign states and territories by carbon dioxide emissions due to certain forms of human activity, based on the EDGAR database created by European Commission and Netherlands Environmental Assessment Agency.

Coal workers' pneumoconiosis (CWP), commonly known as "black lung disease," occurs when coal dust is inhaled. Over time, continued exposure to the coal dust causes scarring in the lungs, impairing your ability to breathe. Considered an occupational lung disease, it is most common among coal miners.

Odisha Chief Minister Naveen Patnaik has launched the 'Mo Sarkar' program. This program promotes Gandhian thinking. Also, encourages people to raise their voice for their rights. 'Mo Sarkar' aims to improve governance by collecting feedback on the behavior and professionalism displayed by government officials. This program has been started in 21 district headquarters, hospitals and medical colleges of Cuttack, Sambalpur and Berhampur.

1. International Tiger Day is celebrated every year on 29 July.

2. This day is also called Global Tiger Day.

3. This day is celebrated every year to raise awareness about tiger conservation.

The mammalian middle ear contains three ossicles, which move the vibrations of the eardrum into waves in the liquid and membrane of the inward ear. There are three ossicles in every ear : Malleus, Incus, Stapes. As we have a couple of ears, so altogether there are 6 ossicles, or 3 sets of ossicles.

Baba Ramdevji is also worshiped by Muslims and they worship him by the name of Ramsa Pir or Ramshah Pir. Ramdevji had miraculous powers and his fame spread far and wide. According to legend, five Pirs from Mecca came to test Ramdev's powers.

In Rajasthan, Ramdev ji's fair is held from Bhadrapada Shukla Dwitiya till Gyaras. This fair is held at Ramdevra, also known as Runicha Dham, located near Pokaran town in Jaisalmer district. This fair is also a symbol of Hindu Muslim unity. Because both Hindus and Muslims come to this fair.