3. One example of a piece of evidence for evolution is the presence of vestigial structures. Which of these is an example of a vestigial structure?
A Humans, penguins, and crocodiles all have a humerus bone in their arm.
B
The DNA of humans and primates is very similar
С
In humans, the appendix is shrunken and no longer necessary for survival
D. Peacocks will grow large and bright feathers to attract mates

Wetlands form where water and land meet. a lake with a wetland fringe can fill in with decayed plant and animal material to become a wet meadow. a pond can fill in to become a bog or fen. sediment can fill in a river marsh to become a swamp.flooding of coastal lowlands from rising sea levels has created broad coastal marshes that are protected from wave action by barrier islands or reefs. coastal wetlands also form when rivers deposit sediment as they reach the ocean. plants then take root and hold the soil firm against the forces of tides and waves.

Generally travels west to east but often shifts to north and south

D. china is one of the most active places, which could quite possibly mean more agriculture will happen.. and more war machi-    best of luck comrade.