Answer:
D) Room temperature
Explanation:
For the experiment to work and have good reliable results there should only be one variable. In this case, the variable is the noise level, and the different room temperatures would influence the experiment's results.
Answer:
Democracy a system of government by the whole population or all the eligible members of a state, typically through elected representatives.
Explanation:
We need democracy because it ensures proper functioning of the government since it is the people who elect them and therefore this makes them more accountable.
Answer:
35°
Explanation:
The 3 angles in a triangle must add up to 180°
Therefore 180°-103°-42°=35°
<span>The right answer is PowerPoint or Prezi.
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</span><span>These programs are used to create slides for presentations. Users can use text, graphics, videos, sound and other mediums to display their content and deliver their information at the same time.
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</span><span>PowerPoint is a program developed by the company Microsoft and is the program to make and show presentations most used in the world, it is estimated that approximately 30,000,000 presentations are made every day around the world in this program.
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</span><span>Prezi is a more recent platform that can be used through a program installed on the computer or on the internet.
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</span><span>I hope this information can help you.</span>
