tahniah tahniah
  • 20-04-2015
  • Chemistry
contestada

what must astronauts use microphones and headphones in outer space

Respuesta :

HistoryGuy HistoryGuy
  • 20-04-2015
In order for sound to be hear, it must travel through a medium, such as air, through which its waves can make a disturbance. In space there is no air, so microphones must be used.
Answer Link

Otras preguntas

How do I factorise 2t^2 + 5t +2
Why is it important that the space in the chest get bigger
Teach me about ratios
factor each polynomial  5xy-10x
the square root of 49 equals
Four fifths of the members of a club are female. Three-quarters of these females are over 20 years old. What fraction of the members of the club are females ove
A pelican consumes 33 1/3% of its body weight in one meal. Write this percent as a fraction in simplest form.
10 boys share 7 cereal bars equally ,what fraction of a cereal bar does each boy get ?
What is the simplest form of 27/42?    a.27/42  d.9/14   b.1 15/27  e.13/21   c.2/3
Express in scientific notation: 215,000,000    a.2.15x10^8   b.21.5x10^7   c. 215x10^6d.215x1,000,000  e.0.215x10^9