Soil erosion can be prevented by

Thermite is a mixture of iron oxide and which of the following?

If $A$ is the areal velocity of a planet of mass $M$,its angular momentum is

$A$ uniform rod of mass $M$ and length $L$ is placed on a smooth horizontal surface. $A$ horizontal force $F$ is applied at one end of the rod perpendicular to its length. The acceleration of the centre of mass of the rod is:

If $A, B, C, D$ are angles of a cyclic quadrilateral,then $\cos A + \cos B + \cos C + \cos D$ is equal to

The floral formula (image) is that of