Answer:
It's like the skin
Explanation:
Epi- outer layer
Dermis- Skin
It protects the more fragile layers underneath like how our skin protects our body from pathogens.
Both have been impacted by oil drilling and mining.
LAKE SUPERIOR BRO!
Hope this helps! : )
Auxin, The substance responsible for cell elongation is auxin. This phytohormone is formed in cells at the tip of the shoot and is then passed from cell to cell.