I think the answer is B: parameter
Answer:
a) freeze the panes
Explanation:
By freezing the panes she can lock the row that has the headers of each column and scroll down as much as she wants without losing sight of the rows locked. This can also be done with columns if the spreadsheet is organized horizontally.
Explanation:
solução de ácido clorídrico (HCI 6 m e HCI 0,6 m)
Normally you can't. You cannot tell if water has been frozen and then thawed.