Question

1 Guess
Underline the words that you can guess the meaning in Portuguese.
atoms . particles - titanium . nanoparticles . units
microscope . millimeter • nanoscale compared . oxide . visible
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Answer 1

1- átomos
2- Partículas
3- titânio
4- nanopartículas
5 - unidades
6- microscópio
7- milímetro
8- nano escala
9- comparado (?)
10 - óxido
11- visível.