The first described iguanodon bones were collected by

The First Iguanodon tooth was discovered in the 1822, it was considered to be one of the earliest dinosaur discoveries in the planet. In the year 1825, it was confirmed by Doctor Gideon mantel that the tooth he had discovered was of an Iguanodon, since the teeth he discovered was similar to the Iguana which is found today in our planet.

the titanic would be the correct answer

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