fossil correlation
Relative dating...
Relative dating...
relative dating
Transport layer .....
A missing layer in a rock layer sequence could be due to erosion or non-deposition. Erosion may have removed the layer after it was formed, while non-deposition indicates that the layer was never deposited in that particular location.
In a normal sequence (ie one that has not been tectonically deformed) the oldest layer is the lowest layer - so the one at the base of the sequence is the oldest. This is called the "law of superposition".
The transport layer is in charge for process-to-process delivery of the intact message. An application program running on a host machine runs a process but the network layer run source-to-destination delivery of individual packets and it does not have any relationship between those packets. It's treated independently, as though each packet belonged to a separate message. The transport layer task is to ensure that the entire message arrives without error and in sequence and handles error control and flow control at the source-to-destination level.
physical layer
Transport layer
The transport layer provides flow control and sequencing.
a sequence number allows the transport layer functions on the destination host to reassemble segments in the order in which the were transmitted
transport layer