No, the biosphere does not exhibit a clear boundary as life always comes to an end.
The biosphere comprises all the living things of the world, like all the plants and animals. It is considered as the global ecosystem, that is, the gathering of all the planet's ecosystems. It comprises the land and the atmosphere. It is usually considered as the zone of life, where all the species of the planet thrives.
Answer:
oxygen
Explanation:any reaction with burning involves mixing oxygen
this is correct
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<span>HBr is covalent bond.!
</span>Hydrogen and Bromine will share their electrons, to obtain the electron configuration of a noble gas<span>.
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It's because the Law of Conservation of Mass WILL NOT be followed if,
from SO2 and water, sulfuric acid is formed. Making a balanced chemical
reaction is not possible, no matter what you do. To obtain or make sulfuric acid, SO2
still needs to be oxidized further to SO3.
The formula for rubidium nitride is RbNO3.
