Answer:
1. a
2. b
Explanation:
I'm sorry I know only these 2 :)
Water molecules bond to each other in a covalent bond where they stay connected. They also have poles like a magnet, making it a polar molecule.
If water is no longer polar the surface tension would lower to the point where ice can no longer float, the water would freeze, cooling the climate considerably.
The answer is Nitrification.
Answer:
option d is the correct option. all the cell in the embroyo would be capable of attaching to one another regardless of the cell type.
Explanation:
cadherins are molecules that allow cell adhesions. various number of cell bind together using this molecules for
proper functioning.
The skin is made up of three layers, each with its own important parts. The layer on the outside is called the epidermis
