Answer:
SYNONYMS FOR doubtful
1 undetermined, unsettled, indecisive, dubious, problematic. 2 unsure, indeterminate. 3 irresolute, vacillating, hesitant. 4 shady.
Explanation:
It is a timeline that shows the improvement of quality over time.
The plantations of Sicily and the Madeira and Canary Islands were most like those of (C) Brazil and Caribbean.
They were Gahandi and Henry David Thoreau