Which sentence contains a punctuation error?

a. we used one-half cup of chopped onions in the recipe.

b. it will be chilly later, so bring your blue-green sweater.

c. it is a well known fact that the earth revolves around the sun.

d. about one third of my friends have pet dogs.

Read this excerpt from wheels of change by sue macy.that said, it's hard to grasp the full extent of the bicycle's impact on americans in the late 19th century—particularly female americans. imagine a population imprisoned by their very clothing; the stiff corsets, heavy skirts, and voluminous petticoats that made it difficult to take a deep breath, let alone exercise. add to that the laws and social conventions that cemented a man's place as head of the household and holder of the purse strings. how suffocated women must have felt. and how liberated they must have been as they pedaled their wheels toward new horizons.what is the central idea of the excerpt

How is the speaker's writing assignment in "theme for english b" affected by his setting in place and time? the speaker focuses more on his fascination with music than on the core of the assignment. the speaker reflects that he has nothing in common with his instructor, who will therefore not understand his essay. the speaker has trouble with the assignment because he questions what is true about his own identity.< < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < ,,

What is the main idea of this paragraph? asap