Question

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Movement of molecules for from their lower
concentration to their higher concentratias
urth the cenpense of energy is called aelen
transport​​

Answer 1

Answer:

A chemical formula that represents the composition of a molecule of the substance in terms of the symbols of the elements present in the molecule is also called molecular formula.

For example, the molecular formula of water is H

2

O, which means that one molecule of water contains two atoms of hydrogen and one atom of oxygen.

Explanation:

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Answer 2

Explanation:

Han pta hai bhai aap 3 se 4 baar answer karte hain na isliye aapko bhot point milte hain but aap kaise karte ho