DNA analysis is the process in which genetic sequences are studied. It is used by law enforcement and medical personnel to identify a particular person or species, and even specific cancers and diseases. At one point the analysis process was very limited.
To round off to the nearest tenth, means to keep one decimal digit. (To round off to the nearest hundredth would mean to keep two digits; to the nearest thousandth, three; and so on. Now, the digit in the second decimal place is 5. Therefore add 1 to the previous digit 2.
How is it possible that whenever you call someone it always gives you a busy tone? Is it the same as blocking someone's phone number? Answer Wiki. If you're calling the same number and always gives you a busy tone, the person you're calling is either blocked your number or forwarded your call to a busy line. You can tell if your call is blocked by someone by listening and timing. A very short and sometimes unheared ring followed by a busy tone means that person has blocked your number.