She produced the key from her pocket and opened the trunk in my presence-this was a great honor for me, for the venerable trunk had never before been opened in the presence of another person-and immediately there wafted out of it a strange yet familiar scent, a scent of age, a smell of the distant past, of years which have been folded up and stored away. A. sightB. tasteC. touchD.. sound

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.