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1st D Define
Reversible Change: Reversible means is capable of being reversed so that the previous state is restored.
Irreversible changes: means not able to revoke or repealed capable of changing or producing a change in one direction only: an irreversible changing reaction 4.
Variables: means not consistent or having a fixed pattern; liable to change.
Hypothesis: Hypothesis is a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
What is the structure of a scientific investigation?
What is the structure of a scientific investigation?
What is the structure of a scientific investigation? The structure of science