Why is it important to know how blood patterns differ on different surfaces?

Hello there,
There is not a standard for how blood patterns should look on all substances. Some mediums absorb blood while others do not, so blood will spatter different ways depending on the absorption of the medium.

Hope this helps :))

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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.