The phrase "and becomes virtually" is correct and usable in written English.
It can be used to describe a transformation or change that is almost complete or nearly true in a certain context.
Example: "As the temperature rises, the solid ice and becomes virtually liquid."
Alternatives: "and is almost" or "and turns into nearly".
Published in October 2013, the book tells the story of a 13-year-old boy who loses his mother in a terrorist bombing at the Metropolitan Museum of Art and becomes virtually orphaned.
For smaller sustained stimuli the system is not significantly activated, while for intense stimuli the system reaches saturation and becomes virtually insensitive to any increase in the stimulus.
We noted that the signal intensity for ER is already reduced by 7 days of pregnancy and becomes virtually undetectable at 14 days, and therefore we used an antibody against progesterone receptor for sections from 14-day pregnant animals.
For TB = 1.5 days, the risk of footrot persistence in populations with the same degree of variation in TD and κD, respectively, decreases from 0.31 to 0.08 and becomes virtually zero for TB = 1 day (i.e., disease persisted in <5 of 10,000 replicates; results not shown).
(In 1257 Guglielmo Boccanegra was made captain and became virtually a dictator).
A three-day music festival known as Woodstock, held in rural New York state in 1969, drew an estimated 400,000 500,000 people and became virtually synonymous with the movement.
Even Islam: The Untold Story (C4), to which we gave one of the awards, immediately descended into a travelogue and became virtually indistinguishable from anything in which Michael Palin rambles around.
He never returned to Florence, and played no further role in public life, though he remained passionately interested in Italian politics, and became virtually the prophet of world empire in the years leading up to the coronation of Henry VII of Luxemburg as head of the Holy Roman Empire (1312).
The drug abuse, mental illness, and his general erratic behavior caused him to be fired by the Beach Boys, divorced by his first wife, and become virtually persona non grata in the music world he had helped shape.
