The atmosphere is important because it contains ozone layers that absorb ultraviolet radiation UV coming from the sun, by thus it is protecting human beings and most living species from negative ultraviolet radiation and thanks to that many species live on Earth. Besides, that atmosphere keeps Earth warm thanks to greenhouse it produces and lowers the temperature leaps between day and night.
The answer is if the length of a guitar string matters than a short string should produce a different sound than a long string. The hypothetical-deductive reasoning is a very significant technique for testing theories or hypotheses. The HD method is one of the most uncomplicated methods communal to all scientific disciplines including biology, physics, and chemistry.
Answer: Most historians believe the Renaissance was an ideological precursor to the Protestant Reformation. Consequently, the two movements bear many similarities. Two major similarities are the emphasis on the individual person and classical languages. … They also placed a renewed emphasis on the Greek language and culture
Explanation:
Answer:

Step-by-step explanation:
In the given triangle we have to find the ratios of
,
and 
Given:

Ratio of 

Ratio of 

Ratio of 

Answer:
Social structure
Explanation:
The social structure is made up of all those institutions and practices that form a society and organize social life while establishing limits on individual's behavior:
<em>This creates a set of arrangments and patterns of behavior, that shape each individual somehow to make him fit in the social system. </em>
Some of these social structural components can be: Institutions like Economy, Politics, and practices like roles, norms, values.
They make possible, to live together.