Q: What is the study of rock strata called?


Read this paragraph and choose the correct option from the provided answers:

The study of rock strata is called stratigraphy . The laws of stratigraphy can help scientists understand Earth’s past. The laws of stratigraphy are usually credited to a geologist from Denmark named Nicolas Steno. He lived in the 1600s. The laws are illustrated in the Figure below ; refer to the figure as you read about Steno's laws below.

 Choices:

- biochemistry

- chemistry

- biology

- stratigraphy


A:
stratigraphy