A SIGNAL is any sound or message that is intended to be listened to, measured, or recorded in contrast to NOISE, which is unwanted sound.
Since sound signals complement their AMBIENT or KEYNOTE context in a similar way that figure and ground are related in visual perception, sound signals are always examined in reference to that context in SOUNDSCAPE investigations. As a result, studying signals also reveals vital details about the whole audio environment. For example, the level of emergency warning signals has increased in lockstep with the AMBIENT NOISE LEVEL of cities over the past century.
Any of the following methods can be used to research sound signals:
- based on their acoustic properties, which may indicate a recognised code or other pattern pertaining to their use (see TYPOLOGY);
- subjectively, by their personally perceived meanings;
- historically, in accordance with their development within a particular social context (see MORPHOLOGY);
- comparably, by type and function in different cultures or periods;
- symbolically, in accordance with their connotative and associative meanings.
Sound signals are significant because they control community life and reveal its character. Those with historical value can be referred to as SOUNDMARKS. A sound signal's profile, also known as the acoustic space, can be thought of as its sphere of influence. With increasing background noise levels in contemporary urban areas, many community signals are becoming physically and acoustically less noticeable.
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The correct location of the corresponding phases are:
1) passage 1- discusses history
2) passage 2- discusses product engineering
3) both- is formal and has a scientific approach.
<h3>What is a Hubble Space Telescope?</h3>
It was the biggest and versatile telescope that was sent to Mars. It was sent in 1990. It is still in space and completes its orbit 15 time a day.
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Thus, the correct options are 1) passage 1- discusses history
2) passage 2- discusses product engineering
3) both- is formal and has a scientific approach.
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I do not think that Phil can predict the weather. First, he is only a groundhog. He does not have weather equipment or any tools that would give him knowledge of weather patterns. Second, Phil would not see his shadow on a cloudy day. Winter is usually the cloudiest and darkest of all seasons. If Phil does not see his shadow, it should indicate that spring is not coming early. Third, the groundhog that is called Phil is not the original groundhog used on the first Groundhog Day. The entire celebration is just a way for people to get excited about the coming of spring, it's not an actual forecasting tool.
I think that Phil can predict the weather. First, he is a groundhog. He is more aware of nature and the changes in the weather than people are. Second, he and the groundhogs that have come before him have always been used to predict whether or not spring will come. If he was not a reliable indicator, people would have stopped asking Phil to predict the weather many years ago. Last, when Phil does not see his shadow, that means the weather is cloudy. The clouds show that there is rain coming and spring is the rainy season.
The climate of the United States varies due to differences in latitude, and a range of geographic features, including mountains and deserts
