Blood is considered polar because it is mostly made of water. The cause of this is from cohesion and adhesion, where water molecules form hydrogen bonds with other molecules as well, are responsible for this movement.
Hoped this helped.
~Bob Ross®
J.J Thomson was the one who discovered the electron so your answer is 5. or E
Answer: Elements in the same column are similar in their properties
Explanation: The columns on the periodic table are also know as group of the periodic table elements in the same group of the periodic table tends to have similar chemical properties because they all have the same number of valence electrons in their outermost shell. This plays an important roles in their reactivity and properties
Hello!
I don't know a lot of this but after doing just a bit of research I think the answer is either A. or C. but I think it is A.
Hope it helps?