Primary succession occurs when vegetation occurs in a place for the very first time, i.e there was no vegetation there before.
The causes are:
-Erosion
-Physiography
-Elevation
There are many answer you have to be specific
True rib : the first seven ribs attach to the sternum (the breast bone) in the front and are known as true ribs (or sternal ribs)
False ribs: the lower five ribs do not directly connect to the sternum and are known as false ribs
Floating ribs :The floating ribs are less stable and risk breaking because they have only one attachment
Dorsally to the vertebrae and have very thin bone tissue locked in muscle as they extend
Laterally.
it is c because i just took the test
The answer is B because it’s burning coal and nutural gas
