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Which one of the following statements about primordial nucleosynthesis is false?

ID: 1553525 • Letter: W

Question

Which one of the following statements about primordial nucleosynthesis is false?

(a) Observed abundances of the light elements enable us to calculate the total density

parameter, T .

(b) The observed abundances of the light elements are direct evidence that the

universe was hotter in the past.

(c) The observed abundances of the light elements lead to the conclusion that B,

the density parameter for baryonic matter, is roughly 0:05 or less.

(d) The rst step in the primordial nucleosynthesis was the reaction between a

proton and a neutron to form deuterium.

Explanation / Answer

(a) Observed abundances of the light elements enable us to calculate the total density

parameter, T .

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