karthikpandian19 wrote:Many towns and cities along the Teays valley system use the river as their main water supply, layers of gravel and sand that line the system protect this important source of clean and abundant groundwater.


(A) as their main water supply, layers of gravel and sand that line the system

(B) [color=][color=red]as their main water supply layers of gravel and sand that line [/color]the system
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(C) as their main water supply. Because layers of gravel, and sand that line the system

(D) as their main water supply, because the layers of gravel and sand that line the system

(E) as their main water supply, the system is lined by layers of gravel and sand which

karthikpandian19 wrote:Answer explanation for D below:

Many towns and cities along the Teays valley system use the river as their main water supply,
First part of the sentence

layers of gravel and sand that line the system protect this important source of clean and abundant groundwater
Second part of the sentence

Both the parts seems to miss the logical link - "conjunction"

Many towns and cities along the Teays valley system use the river as their main water supply, layers of gravel and sand that line the system protect this important source of clean and abundant groundwater.


(A) as their main water supply, layers of gravel and sand that line the system - Logical link is missing and the statements of IC (independent clauses) are linked by comma only - Incorrect

(B) as their main water supply layers of gravel and sand that line the system - Run on sentence

(C) as their main water supply. Because layers of gravel, and sand that line the system - Use of conjunction in the stand alone sentence make it a DC missing its IC

(D) as their main water supply, because the layers of gravel and sand that line the system - Perfect sentence linked with the conjunction and separated by comma

(E) as their main water supply, the system is lined by layers of gravel and sand which - Logical link is missing and the statements of IC (independent clauses) are linked by comma only - Incorrect

Bill@VeritasPrep wrote:Where is this from? D doesn't need a comma before "because."

Bill@VeritasPrep wrote:Where is this from? D doesn't need a comma before "because."

1947 wrote:

Bill@VeritasPrep wrote:Where is this from? D doesn't need a comma before "because."

Bill, can you please shed some light on usage of wasps in below sentence...when are we allowed to pluck a word from IC and write about it.

Yellow jackets number among the 900 or so species of the world's social wasps,wasps that live in a highly cooperative and organized society.

1947 wrote:

Bill@VeritasPrep wrote:Where is this from? D doesn't need a comma before "because."

Bill, can you please shed some light on usage of wasps in below sentence...when are we allowed to pluck a word from IC and write about it.

Yellow jackets number among the 900 or so species of the world's social wasps,wasps that live in a highly cooperative and organized society.

Bill@VeritasPrep wrote:

1947 wrote:

Bill@VeritasPrep wrote:Where is this from? D doesn't need a comma before "because."

Bill, can you please shed some light on usage of wasps in below sentence...when are we allowed to pluck a word from IC and write about it.

Yellow jackets number among the 900 or so species of the world's social wasps,wasps that live in a highly cooperative and organized society.

"Wasps" is used to create an appositive phrase (a modifier that starts with a noun) referring to "social wasps." Grammatically, it's fine, though a bit redundant. You could easily avoid the redundancy issue by using a relative clause.