Read the sentence and determine which revision, if any, is necessary.

"Valentina’s mother an art history professor often gives lectures at the local museum.”

The phrase “an art history professor” should be set off with commas.
The phrase “Valentina’s mother” should be set off with a comma.
The phrase “at the local museum” should be set off with a comma.
The sentence is correct as written.

Which of these details is not relevant to the paragraph? jane addams was born in cedarville, illinois, in 1860. as the daughter of well-off mill owner, jane always had her needs cared for. while she traveled through england in her late twenties, she and her friend, ellen g. starr, traveled to a house where poor people could sleep, eat, and learn. inspired by this, jane and ellen started a similar establishment, called hull house, in chicago, illinois. people living in the city could get a meal, learn, and rest at hull house. the founders soon became famous for their work, and their efforts many poor people in chicago. for her work, jane was awarded the nobel peace prize in 1931.

You need to start an experiment and the instructions are to mix 2 g of sodium bicarbonate with 50 ml of distilled water and then mix the solution. describe what lab apparatus you would use and what safety precautions you must observe when completing this experiment.

Read and key the following paragraph. 1"the final phase of franklin's public service is themost spectacular. 2after his return to america he waselected to the second continental congress and served withjefferson and john adams on the committee which drafted thedeclaration of independence. 3then, in 1776, he wasappointed one of the three commissioners to seek military andnaval assistance from france. 4for nearly ten years pariswas his center of operations, and, in large part because ofhis personal popularity, he secured the much-needed supportof france and spain and eventually negotiate thetreaty of paris (1783), by which england recognized americanindependence. 5when he returned to america in 1785 he wasold and ill, yet he found strength to serve as a delegate tothe constitutional convention, and to continue his work withmany humanitarian and scientific societies." type the key words for sentence's 2. 3. 4. 5.