Answer:Prion diseases occur when normal prion protein, found on the surface of many cells, becomes abnormal and clump in the brain, causing brain damage. This abnormal accumulation of protein in the brain can cause memory impairment, personality changes, and difficulties with movement.
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The answer is D. ding ding ding
When round worms eat dirt/small particles or the drink liquid. the do have a mouth.
Make a test of experimental groups for flowers with warmer soil and another with regular soil and to be sure cold soil.
