all the following are examples of observations, except: the scientist wonders what is causing changes to the…

all the following are examples of observations, except: the scientist wonders what is causing changes to the ecosystem. a thermometer tells the scientist that the temperature is 30 °c (86 °f) outside. the scientist sees that there are fewer birds in an area. the ph meter the scientist uses in the river shows that the water is slightly acidic.
Answer
Brief Explanations:
An observation is a factual notice or perception. The scientist wondering about the cause of ecosystem - changes is a question or a hypothesis - forming thought, not an observation. The other options involve direct perception or measurement results.
Answer:
The scientist wonders what is causing changes to the ecosystem.