This sand is very  round suggesting large waves and a lot of erosion. It consists entirely of rock so there is probably not a lot of sea life.

This sample is a bit less round so it prabably has a little smaller waves and more shells so more sea life.

Analysis
The model was very flat
Conclusion
1. It is very flat
2. a.flat part of the ocean floor
b.anderwater mountain
c.when the continental plates shift
d.underwater valley

it is hard rto study under water because of decompression sickness when the nitrogen is saturated in your body.

How is Science Important to Me

It is important to study science because it allows us to understand the world around us.