O texto da unidade 5 fala sobre como cientistas criaram a gota de água mais pura do mundo. Por padrão temos que muitas das criações científicas tem origem na curiosidade humana, no caso da gota d’água super limpa qual frase (trecho) do texto demonstra o que motivou os pesquisadores a descobrir a tal “divine droplet”?

Escolha uma opção:

a.
“The researchers then released a thin, purified sample of water vapor from an adjacent chamber into the vacum...”


b.
“To get as close to perfectly pure as possible...”


c.
“When TiO2 surfaces are exposed to ultraviolet light, they react in ways that "eat up" any organic compounds on them...”


d.
“...become covered with a mysterious layer of molecules when they come into contact with air and water.”


e.
“Researchers at the Vienna University of Technology announced yesterday (Aug. 23) that they have created the cleanest drop of water in the world​