Answer:
Because of favorable climatic condition..
easy to access to the market...
better transportation facilities ..
easy connectivity
Explanation:
The Nile River, The amazon river, the Yangtze River, The Mississippi river/ Missouri River, <span>The Yenisei/Angara/Selenga River</span>
She must wear a mask and gloves.
The mask would prevent her from inhaling pathogens that get transferred viraly, while latex gloves would prevent pathogens from entering through her skin, or if she later decides to put her fingers in her mouth or anything similar.
If she has a wound on her hands, the gloves will also prevent the blood from mixing with her own and prevent disease.