The first one is epidermis, the second one is the dermis i believe, I hope this helps
Stratum corneum, the fifth outermost layer.
D. speeding
Gerunds are verbs that are added by -ing.
Examples.
1. Running
2. Skiing
3. Flying
4. Drawing
5. Fishing
6. Barking
7. Talking
8. Making
9. Cutting
10. Patting