What is the potential disadvantage of external digestion ​

Select the correct texts in the passage.

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excerpt from Robinson Crusoe

by Daniel Defoe

When I waked it was broad day, the weather clear, and the storm abated, so that the sea did not rage and swell as before. But that which

surprised me most was, that the ship was lifted off in the night from the sand where she lay by the swelling of the tide, and was driven up

almost as far as the rock which I at first mentioned, where I had been so bruised by the wave dashing me against it. This being within

about a mile from the shore where I was, and the ship seeming to stand upright still, I wished myself on board, that at least I might save

some necessary things for my use.

When I came down from my apartment in the tree, I looked about me again, and the first thing I found was the boat, which lay, as the wind

and the sea had tossed her up, upon the land, about two miles on my right hand. I walked as far as I could upon the shore to have got to

her, but found a neck or inlet of water between me and the boat which was about half a mile broad; so I came back for the present, being

more intent upon getting at the ship, where I hoped to find something for my present subsistence.

Explanation:

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.