Consumers cannot hold, touch, or see an la galaxy soccer game before the purchase decision (the decision to purchase a ticket). the fact that the consumers cannot hold, touch or see what they are purchasing before they commit to the purchase exemplifies the of services

I believe the answer is: Intangibility of services

Intangibility of services could only be eliminated after the transaction between costumers and the sellers are complete. |t is disadvantageous for the sellers to eliminate it before the transaction because the customers could automatically backed out after consuming the services.

uhh idk for sure but i think it makes it difficult to pump the oil through the oil rigs

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."