What does the release or absorption of energy indicate? a. physical and chemical changes b. chemical change c. neither physical nor chemical changes d. physical change

The release of absorption is CHEMICAL CHANGE. A chemical change is a type of change in which a new product is produced. Heat is either released or absorbed during a chemical change, and this heat change indicates the bonds have been broken and rearrange. Do the answer is C. CHEMICAL CHANGE.

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a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u