QUES: Q: What stopped the widespread use of hunting and gathering?
A: Following the invention of agriculture, hunter-gatherers have been displaced or conquered by farming or pastoralist groups in most parts of the world.
Does the answer answer the question?

ANS: yes

QUES: Q: What tool is often used in measuring the thickness of paper?
A: Paper may be between 0.07 and 0.18 millimetres (0.0028 and 0.0071 in) thick.
Does the answer answer the question?

ANS: no

QUES: Q: What statement did Bohr make about the electron of an atom, citing Planck's work?
A: Bohr solved this paradox with explicit reference to Planck's work: an electron in a Bohr atom could only have certain defined energies En
Does the answer answer the question?

ANS: yes

QUES: Q: Water beetles have legs of what type of structure?
A: Some species like the water striders are capable of walking on the surface of water.
Does the answer answer the question?

ANS:
no