Question

b. to be a painkiller since when cardiologists prescribed it to be a prev
c. as a way to kill and stop pain until cardiologists began to prescribe i for the prevention of
d. as a painkiller until cardiologists began prescribing it as a preventativ
e. to be a painkiller up to when cardiologists prescribed its preventative

1. whether they earn a bs degree, chemical engineers are almost guaranteed a job.

a. whether they earn
b. if they earn
c. if earning
d. to earn
e. since earning

Explanation:

For the first question, the correct pre - position and verb form combination is "as a painkiller until cardiologists began prescribing it as a preventive". For the second question, "Whether they earn" is the correct phrase as it implies regardless of the condition of earning a BS degree. "If" is not used in this context for presenting two alternatives in a non - conditional sense.

Answer:

1. d. as a painkiller until cardiologists began prescribing it as a preventive
2. a. Whether they earn