Answer: Phosphorous
Explanation:
Phosphorus and Nitrogen are similar in nature as they have 5 electrons in the outermost shell. Nitrogen and phosphorous belong to the same family on the periodic table.
As phosphorus lies just below nitrogen the characteristics of both the elements will be similar.
They are found abundant on earth and are cycle by biogeochemical cycle.
The Polio virus usually enters the environment in the feces of someone who is infected
Polio spreads from muscle to the central nervous system by neutral pathways
Answer:
When an object experiences a net force, it will accelerate at a rate determined by its mass
Explanation:
A body at rest is considered to have a zero speed, so any force causing the body to move is an unbalanced force and any force causing the body to slow down is also an unbalanced force. An unbalanced force cause acceleration or deceleration i.e a change in speed
An isotonic solution is a solution in which the amount of dissolved material is equal both inside and outside of the cell. Water still flows in both directions, but an equal amount enters and leaves the cell. Hope this helps. :)