Does the sentence "Intraspecific diversity, the variety of alleles within a single species, also offers us choice in our diets." provide a valid answer to the question "What is the variety of alleles within a single species?"

A: no

Does the sentence "The frequently changing status of the region throughout history has left its mark on modern day politics in terms of a particular interest in national identity issues." provide a valid answer to the question "Who is the president of the regional counsel?"

A: no

Does the sentence "A more stringent study conducted in 1999 by Harvard University estimated the natural human rhythm to be closer to 24 hours, 11 minutes: much closer to the solar day but still not perfectly in sync." provide a valid answer to the question "What did early research show people preferred as a day length?"

A: no

Does the sentence "In process known as the Marian reforms, Roman consul Gaius Marius carried out a programme of reform of the Roman military." provide a valid answer to the question "What was the process that removed the property requirement for the Roman military called?"

A:
yes