C-prog language. just give True or false, no explaination.needed

1. True or False(T for true and F for false)(10, 1 for each) 1) The execution of a C program starts from the beginning of the main function and finishes at the end of the main function. ( 2) In C programs, the variables must be declared before it is used. ( 3) It is necessary to use break statement in switch statements. ( 4) Continue is used to end the current loop, not to end the whole loop. ( 5) The data types of all the elements in the array must be the same. ( 6) The name of array represents the address of the 1st element of array. ( ) 7) If there is "int x,*pb; , the expression pb=x is correct. ( ) 8) If the static variable is not given an initial value in the definition, the initial value will be assigned as 0. ( 9) If we want to input strings with spaces, function scanf() must be used.( ) 10) In c programs, _2tm is a valid name for function. ( )