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Q: What must an observer use in order to make observation?
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In order to make observation in observer must always use?

In order to make observations, an observer must always use. 1) experiments. 2) the senses. 3) proportions. 4) mathematical.


While rehearsing observer can compromise the entire operation which site placement criterion considers this concern?

A well placed observer can compromise the entire operation is security. The site must be secure from attack and from observation.


What must be a fact an observation or an inference?

A observation


Is this statement an observation or an inference it must be raining outside?

it is observation


Atittude of a scientist?

A Scientist must be a keen observer.


You are towing a skier with a PWC and have an observer on board. How many people must the PWC be rated to carry?

You are towing a skier with a PWC and have an observer on board. How many people must the PWC be rated to carry?


How do you make an accurate observation?

A good observation is one that is unbiased and the that avoid putting the observer's own thoughts and feelings into the report. A a good observer can observe, without interpreting an event. An observation can make a business/company reputable and excellent in what they do. Observations only usually consist of a basic tally chart that counts the number of people walking into a certain shop for example. Observations are also good for a business/company starting up as they plan what areas of a city/town are most popular for their shop to be situated for example. Observers must be focused as they are counting as this is vital, this is the objective for observations. From an earth sciences point of view, some of the characteristics that might constitute a good observation are: It is relatively unambiguous, and would be described in roughly similar terms by anyone who observes it. It can be verified independently. It relates, or seems to relate to a process or theory that has some relevance to research.


What must you have in order to make an inference?

an implication


Is it possible to move a source of sound relative to a stationary observer so that there is no shift in the frequency of the sound?

For the sound from a source not to be shift in frequency , the radial velocity of the source to the observer must be zero : that is the source must not be moving towards or away from the observer


Scientists must be very careful when they are gathering?

observation


What must a scientific theory have to be valid?

when it is consistent with observation


Is the sentence the cat must be ill an observation or an inference?

It is an observation because you can see that the cat is ill so it is visual.