charting where birds fly. attracting birds with birdseed. counting the number of birds that fly by. illustrating the different birds that fly by.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: All of these are examples of observation and measurement except
Possibilities:
- charting where birds fly.
- attracting birds with birdseed.
- counting the number of birds that fly by.
- illustrating the different birds that fly by.

attracting birds with birdseed.