The structure of the skin is an effective barrier against bacteria. The multiple layers of epidermis, while can be invaded by foreign organisms, has a high turnover rate which means it is constantly shedding, therefore even the bacteria is shed protecting the body. Lastly, the skin's lipids maintain an acidic pH which slows and stops growth and replication of bacteria.
It is poisonous on it's back and is a big species of frogs but not any bigger than a curled up dog.
Water is important to living think because they need it to live
The answer to your question is D
Answer:
a×b(aybz_azby)i+(azbx_axbz)j+(axby_aybx)k