고등문법 2문제 질문드려요!

1.
the cows gained extra weight and started giving [much / more] milk than before.
답이 more라고 되어 있는데, 셀 수 없는 milk 앞에 much가 아니라 more가 오는 이유가 궁금해요.

2.
research in learning shows that getting good grades depends more on effective study skills than on a high iq. students with high grades organize their time, planning when they [complete / will complete] their assignments. they also prepare for exams in advance, reviewing their notes periodically. students with poor grades, on the other hand, ignore schedules, and wait until the last minute and then cram. unfortunately, cramming does not produce the [desired/ desiring] results.
답은 will complete와 desired인데, 첫 번째는 시간 부사절이라고 생각해 complete를 골랐어요.
두 번째도 desired를 고르긴 했는데 이유를 잘 모르겠어요. 설명 부탁드려요~