1. It can destroy the boidiversity. 2. The chemical input from the roads are washed into the water. 3. Also it can degrate the air quality. Hope this helps!!!
They are both known to be heavy, hydrogen is one of the two stable isotopes of deuterium
Answer:
The following disorders might be treated by using stem cell therapy:
Spinal injuries can be treated by the stem cell therapy. As the neurons can be replaced by healthy neurons and used to treat Parkinson's disease.
The insulin produced from the somatic cells are used to treat the diabetes.
The cancer can be treated by using stem cell therapy.
Any damaged organ or tissue can be replaced by the stem cell therapy.
Different genetic diseases can be cured by the use of stem cells.
They transport oxygen to all the cells of the body

In humans, the medulla region of the brain is mainly responsible for the regulation process of respiration. It is also called the respiratory rhythm centre. The chemosensitive area located near the respiratory centre sends signals across nerve impulses to alter the rate of expiration to eliminate compounds.