Acarbonated drink is by the body because of the carbonation

Absorbed.

Explanation:

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At first, we might consider that the carbonated drinks are characterized by having a slight content of carbon dioxide in order to provide that gassy sensation. Thus, when such carbon dioxide enters to the body, is carbonated, it means, produces carbonates by its reaction with the inner cationic-like forms of metals we've got in our system, say calcium, sodium and others.

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answer: semi-infinite solid initially at a uniform temperature of 400 ◦c is cooled at its surface by convection. the cooling fluid at a constant temperature of 200 ◦c has a convective coefficient (ha) of 250 w/m2.k. the physical properties of the solid: k = 20 w/m.k and α = 4 * 10-5  m2/s. using δx = 0.04 m and δt = 10 s. write the finite difference equations describing the transient heat transfer of the first five δx and the temperature profile after 30 s.