Questions

The red blood corpuscles  or erythrocytes usually carry antigens and there are two types of antigens. The A group persons have antigen A in their red corpuscles and the B group have antigen B in their red corpuscles. The AB group person have both antigen A and antigen B in their erythrocytes. The 'O' group persons have no antigens in their red corpuscles.

Sea appears blue in colour due to the scattering of the rays when they hit water molecules

On December 4, 1971, the Indian Navy successfully executed Operation Trident, which was a devastating attack on Pakistan Naval Headquarters in Karachi. The operation, which marked the first use of anti-ship missiles in the region, did irreparable damage to the Karachi port during the 1971 Indo-Pak war. To commemorate this, December 4 is celebrated as the Indian Navy Day.

Every year to celebrate the achievements and role of the naval force to the country we clebrate Navy Day. The Indian Navy is the marine branch of the Indian Armed Forces and is led by the President of India as Commander-in-Chief.

Parabola, because when the coin is dropped at a particular point, it has the same velocity as the running train. So by Newton's first law, it continues its motion horizontally with that velocity. But then, it is also pulled down by earth's gravity continuously. In this situation its horizontal motion gives way to the parabolic motion until it reaches the ground.

Here are the differences between Diamond and Graphite :

From the above analysis, Diamond is harder than Graphite because of the difference of crystalline structures.

The area of the four states approximately, are as follows : Madhya pradesh 443000 sq km; Rajasthan 342000 sq km; Uttar pradesh 294000 sq km.

The act of violating or misuse of what is regarded as sacred i.e, like the sanctity of the church is called Sacrilege.