QUES: Q: Greece and ESA signed their first agreement in what year?
A: Having formally applied for full membership in 2003, Greece became the ESA's sixteenth member on 16 March 2005.
Does the answer answer the question?

ANS: no

QUES: Q: What are some good standard home solutions?
A: Clean plain water can also be one of several fluids given.
Does the answer answer the question?

ANS: no

QUES: Q: What rank is NCO status achieved in the US Army?
A: In all other branches, NCO status is generally achieved at the pay grade of E-4 (e.g., a Corporal in the Army and Marine Corps, Petty Officer Third Class in the Navy and Coast Guard).
Does the answer answer the question?

ANS: yes

QUES: Q: How can scientists use bacteria in the study of plants?
A: Schell and Van Montagu (1977) hypothesised that the Ti plasmid could be a natural vector for introducing the Nif gene responsible for nitrogen fixation in the root nodules of legumes and other plant species.
Does the answer answer the question?

ANS:
yes