Yes.
It is still a triangle.
pig on these are both words that look different but are still a word upside down.
yes
yes
Yes.
turn upside down and stay still
Yes.
You'd still be on the ground due to the gravitational pull that is helping you. So that's the answer; the world can't go upside down
To symbolise distress. If you simply turn it upside down then it would symbolise distress, if you rotate it however it is still the same.
When you blink, you see everything upside down for a nanosecond, but your brain corrects it so fast that you will never be able to see this happen.
First of all, hanging upside down may require some practice, as not everyone has enough strength in their legs. A good option is taking gymnastics lessons, then you will be able to hang upside down well.
mirrors