It's now called Andalusia!
We only know about extinct groups like dinosaurs, ammonites and trilobites through fossils. Some animals and plant are only known to us as fossils. By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other.
Answer:
The description corresponds to an observational study.
Explanation:
In Observational studies, researchers observe the effect of a risk factor without changing what is exposed to it or its conditions. On the other hand, in an experimental study, researchers can introduce a change and study the effects of it.
It is Robert Merton. Merton's hypothesis of aberrance comes from his 1938 investigation of the connection between culture, structure, and anomie. Merton characterizes culture as a "sorted out arrangement of regularizing esteems overseeing conduct which is basic to individuals from an assigned society or gathering".
