1. which of the following is not a scientific observation? for those that are not observations, briefly…

1. which of the following is not a scientific observation? for those that are not observations, briefly explain why they are not.\na. the wire is 18 cm long.\nb. the solution is blue - green in color.\nc. the reaction is producing a red - brown solid. it must be rust.\nd. the gas is being produced at a rate of 6.5 ml / second.

1. which of the following is not a scientific observation? for those that are not observations, briefly explain why they are not.\na. the wire is 18 cm long.\nb. the solution is blue - green in color.\nc. the reaction is producing a red - brown solid. it must be rust.\nd. the gas is being produced at a rate of 6.5 ml / second.

Answer

Brief Explanations:

A scientific observation is a factual description using the senses or measurement tools. Options a, b, and d are such factual descriptions. Option c includes an inference "It must be rust" along with the observation of a red - brown solid. An inference is a conclusion based on observations and prior knowledge, not just a pure observation.

Answer:

c. The reaction is producing a red - brown solid. It must be rust.