Answer:A
Explanation:because is presenting the dominant allele
It's gonna be cold with some thunderstorms. You can tell because the line with triangles on it is a cold front and the lightning bolts represent thunderstorms
Answer:
Myelin sheath increases the speed of electrical impulse along the nerve cells.
Explanation:
Myelin sheath is an insulting layer of proteins and fatty acids that are present around the nerves of brain and spinal cord.
Myelin sheath increases the speed of conduction of nerve impulse from one nerve cell to another cell. Myelin sheath is formed by the concentric wrapping of schwann cells around the axon. This sheath decreases axonal membrane capacitance and increases the conduction of nerve impulse.
Answer;
Public water
Public water is the most reliable source of dietary fluoride.
Explanation;
Fluorine is essential for the normal mineralization of bones and the formation of dental enamel. The biggest percent (about 96%) of the Fluoride in the body is found in bones and teeth. In Teeth, Fluoride becomes incorporated into the crystalline structure of teeth, making them less susceptible to decay.
