Their called rafts they lay them by surface of stagnant water
The mirror formula for curved mirrors is:

where
f is the focal length of the mirror

is the distance of the object from the mirror

is the distance of the image from the mirror
The sign convention that should be used in order to find the correct values is the following:
-

: positive if the mirror is concave, negative if the mirror is convex
-

: positive if the image is real (located on the same side of the object), negative if it is virtual (located on the opposite side of the mirror)
Answer:
B. ) 0.34 m
I definitely guessed and got the right answer so :))
Humid tropical climates are climates that have no winters.
The french revolution led to many deaths and impacted history because of the amount of life lost