Answer:
Nitrogen
Explanation:
Nitrogen
The most abundant naturally occurring gas is Nitrogen (N2), which makes up about 78% of air (oxygen)
hope this helped!
Answer:
Top soil
Explanation:
It keeps all of the others below. we are able to plant and grow things on it.
Based on the scenario above, these findings indicate the
problem of biliary atresia. Biliary atresia is considered to be a rare disease
of the liver as well as the bile ducts that primarily occurs in the infants in
which the cells of the liver produces bile that is responsible of digesting
fat.
Stem cells have the ability to replace damaged cells and treat disease. ... Stem cells, if they can be directed to differentiate into specific cell types, offer the possibility of a renewable source of replacement cells and tissues to treat diseases including Parkinson's, stroke, heart disease and diabetes.
