How do we know that the Earth is round?

If your dam is going to build up large amounts of pressure, then far into the walls. But at the same time, if your river bed and walls are made...

Grounded electrical systems, like those found in most commercial and nearly all residential buildings, work on three (or more) wire circuits, one each for hot (line), neutral (grounded) and ground,...

There's no way you can open the backup with Explorer or using iTunes, only with third-party backup browsers. iMazing is good (at least I didn't have any issues with it...

It's not a perfect sphere, but rather an oblate spheroid or ellipsoid, which means that the poles are slightly "squished" together and on the equator, there is a slight bulge....

You cannot delete the app because it comes built-in automatically with the MacBook.

The grounds are completely dried when they are golden brown. Over-dried grounds would be crumbly and dark.

You can safely wash the kittens in Dawn dishwashing detergent. It's good for taking care of fleas. And use a flea comb as well.