Why does the middle of the wood look as if it has not been treated when it is cut

Hi- It does this because of the way the board is facing. It does this because the arrows on the board will always point to the end that should be cut first.

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation: