Answer:
is a reflection.
The image is real light rays actually focus at the image location). As the object moves towards the mirror the image location moves further away from the mirror and the image size grows (but the image is still inverted). When the object is that the focal point, the image is at infinity.
Explanation:
I believe destructive interference
It can solidify, it depends on the tempeture.
If something is going down a hill it can help slow it down
it can stop you from flying off a rollercoaster
