Cohesion has a surprising effect on
the surface of water called surface
tension. Thanks to linking of water
molecules, some bugs can actually
walk on water without sinking.
The word "surprising" in the selection above
tells the reader that
A
this phenomenon is common in the natural
world
B
this phenomenon can be replicated with
other animals in the wild
ะก
this property of water was recently
discovered
D
this property of water is unexpected and
unique