Nosocomial infection-acquired in hospital or health card facility
Explanation:
The sun heats the earth through radiation. Since there is no medium (like the gas in our atmosphere) in space, radiation is the primary way that heat travels in space. When the heat reaches the earth it warms the molecules of the atmosphere, and they warm other molecules and so on.
Rain water gets polluted because of the water cycle bringing water into the atmosphere
The answer to number two is true
<span>True. The external air is empty until the ear drum, passing through into the middle ear by way of three small bones that vibrate against each other and into the inner ear, where sound vibrates through the bony labyrinth, all encased in a fluid that helps the sound move to sound detecting nerves in the inner ear.</span>
