Questions

 #include<stdio.h>
int main(){
  int i=1,f=1,num;

  printf("Enter a number: ");
  scanf("%d",&num);

  while(i<=num){
      f=f*i;
      i++;
  }

  printf("Factorial of %d is: %d",num,f);
  return 0;
}

Sample output:
Enter a number: 5
Factorial of 5 is: 120

The foods that are good source of fat and incredibly healthy to the body ar fatty fish, eggs, nuts, cheese, avocados, dark chocolates, etc...

The main source of organic matter in soil is the plant and animal tissue that decompose at each level of breakdown.

An ionic bond is formed between two molecules when transfer of valency electrons take place between them.