I believe its A. I may be wrong.
The answer should be reptiles!
The characteristics of reptiles are:
1. They are four-legged
2. They have an outer covering of scales
3. They breathe with the aid of lungs
4. Although most reptiles lay eggs, some also give birth to live young (fertilise internally)!
I hope this helps! :)
The answer to this question is c
The raw material from which sedimentary rocks are formed is D. Weathered remains of other rocks.