Posted by **Anonymous** on Wednesday, June 18, 2008 at 12:57pm.

2. To make observations, an observer must always use

(1)experiments

(2)the senses

(3)proportion

(4)mathematical calculations

Is it (2)?

Friday

March 24, 2017
Posted by **Anonymous** on Wednesday, June 18, 2008 at 12:57pm.

2. To make observations, an observer must always use

(1)experiments

(2)the senses

(3)proportion

(4)mathematical calculations

Is it (2)?

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