20. A temperature of 95 degrees, which was warm even for summer, could drop in only
to just above freezing.

21. At the time, no one could explain why the weather of 1816 was so unusual.

22. Some thought that Benjamin Franklin's experiments with lightning changed the weather.

23. William Humphreys, who was an American meteorologist, figured out the probable answer 100
years later.

24. After Mount Tambora in Indonesia erupted in 1815, more than 3 billion pounds of ash were
ejected into the atmosphere.

25. The ash reduced temperatures around the world because it blocked sunlight.

26. Historians think similar weather changes happened after another volcano erupted in 535 AD.

Identify if it’s an adjective adverb or noun
Please