Mutation is a change in DNA, the hereditary material of life. An organism's DNA affects how it looks, how it behaves, and its physiology  all aspects of its life. So a change in an organism's DNA can cause changes in all aspects of its life.
continuously variable transmission (CVT)=An automatic transmission that can change seamlessly through an infinite number of effective gear ratios between maximum and minimum values. Automatic transmission= Automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually.
What is CVV2/CVC? CVV2/CVC is an authentication method established by credit card companies to reduce fraud for internet transactions. It consists of requiring a card holder to enter the CVV2/CVC number in at transaction time to verify that the transaction is legitimate. Visa / Mastercard. The CVV2/CVC on your Visa or Mastercard is the 3-digit verification number found on the back of your card. This is a non-embossed number printed on the signature panel on the back, immediately following the account number.