Answer:
I think it is the forth one
The insulin levels lead to the cause of type 2 diabetes
Answer:
The air is contained at a high pressure in the tube. When it escapes from a small orifice, it suddenly expands. A large amount of its heat is absorbed in the process of expansion resulting in considerable fall in its temperature. This is why the escaping air feels cold.
Wavelength = (speed) / (frequency)
Speed of radio = speed of light.
