14 How are radioactive isotopes used to diagnose thyroid problems?
O Production of radioactive iodine by the thyroid problems?
O Uptake of radioactive iodine by the thyroid gland is measured.
O Destruction of damaged cells by radioisotopes is measured.
Absorption of gamma rays from ingested radioisotopes is measured.

An experiment is conducted to see if cats preferred skim milk or 2% milk. a cup of skim milkwas put out for 5 kittens and then measured how much the kittens drank over the course of aday. following a cup of 2% milk was purout for the skittens and then masured how much thekittens drank over the course of a day. the same kittens were used and the milk was served atthe same temperature. it was discovered that the cats liked the 2% milk more than the skimmilk. what is the dependent variable in this experiment?