Parents once automatically gave their children the father’s surname but some no longer do.
Parents once automatically gave their children the father’s surname, but some no longer do.
100
Moving in a fluid mass is typical of flocks of birds and schools of fish.
Moving in a fluid mass is typical of flocks of birds and schools of fish.
(Already correct!)
100
Many colleges have started campus garden programs, that aim to teach students about the benefits of sustainable farming methods and locally grown food.
Many colleges have started campus garden programs that aim to teach students about the benefits of sustainable farming methods and locally grown food.
100
Prices having risen rapidly the government debated a price freeze.
Prices having risen rapidly, the government debated a price freeze.
100
Shoes with high heels originated to protect feet from the mud garbage and animal waste in the streets.
Shoes with high heels originated to protect feet from the mud, garbage, and animal waste in the streets.
200
Instead, they bestow the mother’s name for they believe that the mother’s importance should be recognized.
Instead, they bestow the mother’s name, for they believe that the mother’s importance should be recognized.
200
Because it is sudden and apparently well coordinated the movement of flocks and schools has seemed to be directed by a leader.
Because it is sudden and apparently well coordinated, the movement of flocks and schools has seemed to be directed by a leader.
200
These gardens which use organic farming techniques also provide fresh produce for the college cafeteria.
These gardens, which use organic farming techniques, also provide fresh produce for the college cafeteria.
200
A price freeze unlike a rise in interest rates seemed a sure solution.
A price freeze, unlike a rise in interest rates, seemed a sure solution.
200
The first known high heels worn strictly for fashion appeared in the sixteenth century.
The first known high heels worn strictly for fashion appeared in the sixteenth century.
(Already correct!)
300
The child’s surname may be just the mother’s or it may link the mother’s and the father’s with a hyphen.
The child’s surname may be just the mother’s, or it may link the mother’s and the father’s with a hyphen.
300
However new studies have discovered that flocks and schools are leaderless.
However, new studies have discovered that flocks and schools are leaderless.
300
Such a garden also needs a leader, who can choose crops that will thrive in local growing conditions.
Such a garden also needs a leader who can choose crops that will thrive in local growing conditions.
300
The president would have to persuade businesses to accept a price freeze his methods depending on their resistance.
The president would have to persuade businesses to accept a price freeze, his methods depending on their resistance.
300
The heels were worn by men and made of colorful silk brocades soft suedes or smooth leathers.
The heels were worn by men and made of colorful silk brocades, soft suedes, or smooth leathers.
400
Sometimes the first and third children will have the mother’s surname and the second child will have the father’s.
Sometimes the first and third children will have the mother’s surname, and the second child will have the father’s.
400
When each bird or fish senses a predator it follows individual rules for fleeing.
When each bird or fish senses a predator, it follows individual rules for fleeing.
400
The colleges may distribute produce with special trucks or “veggie wagons” that drive through the urban neighborhoods.
The colleges may distribute produce with special trucks, or “veggie wagons,” that drive through the urban neighborhoods.
400
No doubt the president his advisers having urged it would first try a patriotic appeal.
No doubt the president, his advisers having urged it, would first try a patriotic appeal.
400
High-heeled shoes received a boost when the short powerful King Louis XIV of France began wearing them.
High-heeled shoes received a boost when the short, powerful King Louis XIV of France began wearing them.
500
Occasionally the mother and father combine parts of their names and a new hybrid surname is born.
Occasionally the mother and father combine parts of their names, and a new hybrid surname is born.
500
Multiplied over hundreds of individuals these responses look as if they have been choreographed.
Multiplied over hundreds of individuals, these responses look as if they have been choreographed.
500
A community garden planted during the academic year will fare better in the southern states where the growing season is longer than in northern states.
A community garden planted during the academic year will fare better in the southern states, where the growing season is longer than in northern states.
500
The president not his advisers insisted on negotiations with businesses.
The president, not his advisers, insisted on negotiations with businesses.
500
Eventually only wealthy fashionable French women wore high heels.
Eventually only wealthy, fashionable French women wore high heels.