Explanation:
Mangrove trees are the trees that live in the coastal area. They are economically very beneficial.
Mangrove tend to survive in water as they have submerged kinds of roots. This root provides anchor and the elevated roots being above water take oxygen from the atmosphere.
They can also survive in haline conditions because they have special internal pumping mechanism that removes excess of salts from the cells.
Based on the broth left on an open flask experiment, wherein the boiled broth was placed in two flasks (one flask with straight neck and the other flask has a bent neck) and exposed to open air at room temperature for several weeks.
The broth within the straight neck flask has changed its appearance. It became discolored and cloudy. Whereas, the broth in the bent neck open flask still remains the same.
These results would then support the conclusion that germs in the air were able to fall unobstructed towards the straight neck flask and contaminate its contents. While, the bent neck of the 2nd open flask acted as a trap for the germs, preventing the germs from contaminating the broth. Further emphasizing that germs can only come from other germs and not from spontaneous generation.
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The bonding that holds it together is a covalent bond
Answer:
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