Answer:
Oils repel water, so it helps these animals keep their fur dry, which helps them stay warm.
A positively charged ion is called cation.
A negatively charged ion is called anion.
A salt is formed by the ionic bonding of a cation and an anion.
pH is a measure of the hydrogen ion concentration in a solution.
Answer:
Transitional epithelium has dome shaped cells on the apical surface.
No they have a negative charge Protons have a positive charge... I remember because P in Positive and P in Proton
