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Reaction (6)
REACTION (6)

Definition: (chemistry) A chemical change produced by two or more substances acting on each other.
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* All ten elements should be in.


1. Purposeful and necessary.

2. Nature of change is exactly as expected - specific and identifiable.

3. Change happens at the period or time planned or hoped for.

4. Outcome (= fallout, after-effect, etc.) of change lasts for a normal duration. (Real, realistic.)

5. Change can be studied - measurable and/or assessable.

6. Change is controllable (connect to #5).

7. No unplanned loss arises from the change (to emphasize).

8. Change is of an appropriate measure - that is, not an overreaction!

9. The environment, an ecosystem, society, etc. is not destroyed or damaged as a result of the change (connect to #7).

10. Change serves purpose(s), whatever this/these is/are.
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* PREDICTABLE.

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