Please mark the correct statements:
Answer:  	
	a. Inserting an element into a sorted array is a complex operation.
	b. Collections are always sorted.
	c. Removing an element from a sorted array is a complex operation.
	d. Sorting requires a transitive comparison operation between elements.
	e. Every array can be sorted.
	f. Arrays are always sorted.
	g. A sorted list or array allows efficient element search.