Answer:
the last one
Explanation:
one atom had a higher electronegativity than the atom it is sharing with.
Crushing a can
breaking glass
boiling water
Answer:
a b d
these are part of an ecosystem or can be
Answer:
see below
Explanation:
Swap cations and anions
K2NO3 is not balanced, it is either 2KNO3 or KNO3 and only 2KNO3 works in this case
FeCl2 (aq)+KNO3 (aq) → Fe(NO3)2 (aq) + 2KCL (aq)
Kidney because it take the waste away from the blood
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