It is Gravity.
Hope this helps.
Answer:
One
Explanation:
Sodium (Na) has one valence electron so it gets one dot.
The reason why we were unable to read the lab manual through the tubes containing isotonic and hypertonic solution is because the cells in those solutions remained intact, causing the solutions to be opaque, in the tonicity of red blood cells activity. The reason why we can't read the lab manual is because the cells in the solutions remained intact.
Predator is an animal hunt.The prey is the animal that is being eaten by other animals. if there a lots of predators and few preys.the predators will compete for food
