yong0717 yong0717

01-10-2018
Physics

contestada

why is it that a bell in a sealed bell jar can be heard when the jar is full of air

Respuesta :

osprey2015 osprey2015

02-10-2018

sound travels through air, not through vacuum = lack of air

Answer Link

Otras preguntas

why cant plants perform photosynthesis durng nights moonlight is the reflected sunlight only ryt

what is required of the president by the constitution

When using the Internet, it is important to know the validity of web page you are using. How can you know if the information is reliable? Question 3 options:

4x-2 >-18 what is the answer?!

Many people use opinion disguised as fact to _____ an audienceA) entertainB) informC) judgeD) persuade

The two-way table displays the hair color of the sophomore (So), junior (Jr), and senior (Sr) classes at West Coast High School, represented by percents in the

Understanding Civil Rights Achievements Between 1950 and 1970, Americans' ideas about civil rights changed drastically. Match each event in the civil rights mov

What comes next in the following pattern: 0,1, -2, 3, -4,5, -6, 7,-8, 9, -10, _

Under the Constitution, political rights protect the freedoms of who?

why is the cell theory considered a scientific theory?