the underlined one and the second is is D look more carefully nad you can see it
<span>Jackie Robinson is the greatest athlete America has ever known. An athlete has to be talented if he or she wants to be a legend, and Robinson won many awards for his talent. Not only did he break the color barrier in baseball, he was also an incredible diplomat, speaker, and advocate for civil rights.</span>
<span>spanning over centuries? I THINK</span>
Answer: When permafrost is frozen, plant material in the soil—called organic carbon—can't decompose, or rot away. As permafrost thaws, microbes begin decomposing this material. This process releases greenhouse gases like carbon dioxide and methane to the atmosphere.
Explanation: