Answer:
hi
Explanation:
im just doing this to get points sry :)
The aerosol can is sealed, and under pressure. Place it on a heat source, and the gas inside expands. Upon expansion with no outlet, the vessel may explode.
Pressure cookers work on this principle, as food can be cooked at higher temperatures than
100
∘
C
. Pressure cookers have safety valves, that will operate if the internal pressure becomes too high.
Answer - C
In water treatment and water purification plants, chemicals are added to destroy the bacteria when the bacteria have completed their task of digestion and are no longer useful for the process.
He only tested one subject, so his conclusion is not valid.
it has a what they call bryophytes and that it has a vascular tissue and it will grow sideways
