The white scale on the inside of the fish tank is from a buildup of minerals that were in the water.
An observation is something you have SEEN, an inference is a logical conclusion drawn to EXPLAIN something you have seen/noticed..
You call it an OBSERVATION.
He noticed that they were in the shapes of animals.
observation
observation
A remark or observation is a brief comment or statement made about something that has been noticed or noted. It can be an opinion, an insight, or a point made during a conversation or discussion.
Diffusion
I can give you several sentences.Careful observation will reveal that the burglar had a key.The scientist began his observation of the strange rock.You powers of observation are amazing.
An observation is something noticed directly by your senses. There are three different types of observations. A qualitative observation is an observation about essential attributes of an object. For example, color, shape, texture, etc would be examples. A quantitative observation is an observation that can be described or measured in concrete numerical quantity. For example, weight, temperature, height, length, and mass would be examples. two types of observation: participant & non-participant
The voyeur was given two years in prison for misusing his powers of observation. "The observation tower is crowded today.", said the observatory conservator. "What do you see?", asked the outrider.
An observation is a statement based on something that is seen, heard, or noticed. A remark is a spoken or written comment or opinion about something. Both observations and remarks are typically used to describe or comment on a situation or experience.
I first noticed mine when they were as big as my little finger nail. Not very scientific but just my observation.