Questions

#include "alloc.h"

#define MAXROW 3

#define MAXcol 4

main()

{

        int *p, i, J;

        p = (int *) malloc (MAXROW * MAXCOL * sizeof (int));

         for ( i=0; i < MaxROW ; i++)

         {

                for (j=0; j < MAXCOL ; j++)

                { 

                      p [ i * MAXCOL + j] = i;

                       printf ( "%d", p [i * MAXCOL + j] );

                 }

                  printf ("\n");

          }

}

The number of protons is equal to the number of electrons. That is the number of positive charges is equal to the number of negative charges.

Without a word in it, it can't be called as song.

A river which can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps.

Joseph F. Glidden - Father of Barbed Wire.

• Glidden was born in New York in 1812. He invented Barbed Wire in 1873 and was granted the patent on Nov. 24, 1874. After a three year battle over the patent, which he eventually won received a patent for the modern invention in 1874 after he made his own modifications to previous versions.

A Mixture is a material made up of two or more different substances which are mixed.

Mixtures can be either homogeneous or heterogeneous.

* A homogeneous mixture is a type of mixture in which the composition is uniform and every part of the solution has the same properties.

* A heterogeneous mixture is a type of mixture in which the components can be seen, as there are two or more phases present.

Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances.