Answer:
Rusting
I guess
Explanation:
Cause in iron if a brown coating appears it is called rusting
Only C. a temperature probe sends its measurement directly to a computer.
However, you can buy stopwatches that send their measurements via Bluetooth to your smartphone and you can then download them to a computer.
A standardized test of what you want to do with your friends and you get to know what you think you want to be tre
Answer:
The new pressure is 44.4 kPa.
Explanation:
We have,
Initial volume, 
Initial pressure, 
It is required to find the new pressure when the volume is increased to 50 ml. The relationship between pressure and volume is known as Boyle's law.

is final pressure

So, new pressure is 44.4 kPa.