(1) this week is going to be insane, danesha thought to herself as she got ready for school. (2) with the end of the school year came all sorts of final projects, and every single project was due that friday. (3) danesha didn't understand why her teachers liked to assign everything at the same time. (4) after grabbing her lunch and a breakfast bar, the school bus was heard. (5) danesha flew out the door to catch it. (6) occupied with all that needed to be done, the front door was accidentally left unlocked.

C.  

After grabbing her lunch and a breakfast bar, she heard the school bus.

Explanation:

Sentence 4 in the paragraph has a dangling modifier. The subject of the modifier "After grabbing her lunch and a breakfast bar" is not clearly stated in the sentence. The correct answer shows a clear and effective way to revise sentence 4. The dangling modifier can be eliminated by making the subject of the modifier, "she," the subject of the sentence.

the economic activity signified in that scenario is a. production

in general, market production makes reference to the elaboration of a product or service which is destinated for economic purposes (to be sold) at money-price in a market. such product or service has to be principally tradable for money.

there is no money exchange involved in distribution, generalized reciprocity or balanced reciprocity.

dependent clause!

example: "before the food gets cold"