HELP 1. Why are sediments laid down horizontally?
2. Why are sediments laid down from oldest to youngest?
3. Why are sedimentary rocks so good for studying in the geology of a region?

1. They’re layed down horizontally due to how they’re deposited

2. New layer form on top the last layer, therefore the bottom layers are the oldest.

3. It shows the deformation and structures.

Explanation:

I don’t know if you’ll need help now, but I went through the lesson and these are the best answers I could find.

digestion

it excretes wastes