Which of the following is a subordinate clause? by the time they arrived natalie and denise ate lunch we need to leave alex was late

The subordinate clause is "By the time they arrived".

Explanation:

Subordinate clauses are the ones that need another clause to complete meaning. Unlike the main clauses, the subordinate ones cannot stand alone.  

The main clause is "Natalie and Denise ate lunch".

explanation:

shower, toothbrush, toasters, refrigerators,   and the lights

you use the lights to see and brighten a room. and with out them you cant see. you need a toothbrush to clean your teeth with out it stinky breath. shower to wash ya self and without it you stink. toaster to toast stuff without it nothing is toasted. and the refrigerator to keep stuff cold without it everything goes bad

the god   the goddess of salt water, of fresh water   yet more powerful and perfect.