Dr. landry is using electroencephalography to measure the changes in electrical activity in an infant's brain in response to particular stimuli. dr. landry is recording

Dr. Landry is recording  voltage fluctuations which are the result of ionic current within the neurons of the brain . Electroencephalography  is non-invasive monitoring method to record spontaneous electrical activity of the brain over a period of time.It is used to diagnose epilepsy, sleep disorders, encephalopathies, brain death.

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

we need additional information in order to determine the cause of death for anna garcia. there are at least 3 things with explanation included as to why we need them are as follows: