Yes, all animals inhale (in) and exhale (out). Except for fish.
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Answer:
They both function for support
Explanation:
Collenchyma cells gives support to extra structural regions as well as sclerenchyma are responsible for the support of plants.
Answer:
Glycogen
Explanation:
In humans polysacchride is stored in the form of glycogen and used as a source of energy.
Answer:
The correct answer is A. 3O₂ + 2Al → 2AlO₃
Law of conservation of mass states that mass can nether be created nor destroyed in a closed system or chemical reaction i.e. the total mass of the matter always remains the same throughout the chemical or physical change.
For example, in the given reaction 3O₂ + 2Al → 2AlO₃ the total mass of the reactants is equal to the total mass of the product.
Mass of oxygen = 16 x 3 = 48 AMU
Mass of aluminium = 2 x 27 = 54 AMU
Total molecular mass of the reactants = 102 AMU
Total molecular mass of the product = 2 x 27 + 6 x 8 = 102 AMU.
Hence, the total mass of the matter remains the same.
