Answer:
The only living parts that don't contain DNA are things like egg whites or filtered milk that are there for energy storage, or blood juices in which our blood cells float
Letter a is the correct answer
Usually when buying shoes, it's a good idea to get shoes that a few inches longer than the actual feet, therefore if you're still growing, it can help prevent having to buy new shoes too soon, plus it adds comfort.
Answer:Controls identify problems in a system before the output is complete.
Explanation: