The independent variable in the title “Long-term use of aspirin and age-related macular degeneration

6 查阅

The independent variable in the title “Long-term use of aspirin and age-related macular degeneration” is ().

A.long-term use of aspirin

B.age

C.age-related macular degeneration

D./

参考答案:

答案:long-term use of aspirin