Answer:
ionic bond
Explanation:
When two ions transfer electrons or bond together they make an ionic bond.
A very acidic pH level is 1, and a very basic pH level is 13.
<span>When the microscope was invented, it helped the cell theory. This invention allowed scientists to see that everything was made up of cells and see what cells do. They needed this invention in order to see that cells existed and study them more in depth.</span>
Digestion, medulla, heart, and involuntary muscles
