What are the bases that pair up to bake up the rugs of dna ladder

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.