4. Prophase
Prophase is where the coating on the nucleus dissolves and releases the DNA, which has condensed into chromosomes. The spindle fibers/strings that will help separate the condensed chromosomes, also start to form in this stage.
5. C
Cell differentiation is how generic embryonic cells become specialized cells.
It maybe seawater...if I’m correct but it depends on which element that you are talking about
The outside neurons are mainly composed of dissolved salts and or other chemical substances
The correct answer is C. viscosity.
You can check the viscosity of the brake-fluid with using a voltmeter. You can see that by using the voltmeter and read on it the volts, the bigger the voltage the bigger the moisture in brake-fluid, thus less viscosity.