Agroup of rock layers containing similar fossils of similar age is called a a.strata

To remember this, remember that the F in Ctrl+F stands for “Find”.

Ctrl+H is a similar function called Find and Replace, which allows you to search for a value then replace all instances of it with a new value.

Ctrl+R fills from the selected cell(s) and to the right.

Ctrl+E activates the Flash Fil feature, which recognizes a pattern and fills in remaining cells automatically.