The colder an object it, the slower the atoms are. This is the rule that affects how cold something can get. There is a limit of how cold something can get though. This is called absolute zero. And, actually, we've gotten very close to it. Scientists in Finland have cooled rhodium atoms to a 10th of a billionth of a degree above absolute zero.
B- why or how because any scientist deals with matter it's relationships ,properties and its composition which can be inferred from the questions why and how
