This is surprising because both soil particles and bacteria are negatively charged, so they should repel each other.
(both soil particles and bacteria; are negatively charged; ) (they; should repel; each other) Context(they should repel,List([87, 104))):(This; is; surprising; because both soil particles and bacteria are negatively charged)
they should repel,List([87, 104))
both soil particles and bacteria they This
are negatively charged should repel is
each other
surprising because both soil particles and bacteria are negatively charged