There are three species of wolves in the world - the grey wolf (Canis lupus), the red wolf (Canis rufus) and the Ethiopian wolf ((also known as Abyssian wolf, Ethipioan JAckleâ¦, and Simain fox))(Canis simensis).    The grey wolf, of which there are numerous subspecies, is found across North America and Eurasia.
The 13 classic Macbook is not worth it. You'd be better off with the base 13. Macbook Air. Better processor, graphics, fast SSD, much better battery life, and much lighter.
Replacing the battery on Apple Macbook Air is really simple, but you have to remember that this will void warranty.Anyway, instead of sending the Mac to an authorised service and waiting for days till it is done, you can DIY within minutes.Beside replacement battery, all you need is two pentalobe screwdrivers that you can order on ebay for 2$ or buy them in your local hardware store.eplacing the battery on Apple Macbook Air is really simple, but you have to remember that this will void warranty.