When nitrogen is removed from a sample of air by the process of nitrogen fixation, what happens to the total pressure of the sample?
a. it increases.
b. it stays the same.
c. it decreases.

What must happen before a body cell can begin mitotic cell division

The concentration of ionic substances is important for the heart to beat. your heart responds to electrical impulses that travel through heart cells that are made up mostly of water. which properties of ionic compounds are important to support this function? solubility in water conductivity crystalline melting point

Metric temperature is measured in celsius and fahrenheit. true or false