Answer:
C- ocean
Explanation:
Because, a sea creature's fossil that was found in a desert, that means the former environment of the desert was the ocean
Possible effect is 'Memory Effect'
<span>It is used to engage the audience is the introduction so then people are engaged and want to keep reading more. An introduction pertains to a beginning. Maybe showing someone new to a group or inserting a new idea into a project. In a piece of writing.</span>
I would say b or d, see what other people think!