Answer:
It is a mixture
Explanation:
It is a mixture because a mixture contains tow or more elements
But a compound is made up of atoms
The main function of the respiratory system is to allow the exchange of gases between the atmosphere and the lungs.
Hence,the only structure that carries out this function is the alveoli as other structures such as the nose,trachea and pharynx transport gases to the alveoli just so that it can can out its function.
Answer:
While in mitosis, genes are generally transferred faithfully from one cellular generation to the next; in meiosis and subsequent sexual reproduction, genes get mixed up. Sexual reproduction actually expands the variety created by meiosis, because it combines the different varieties of parental genotypes.
Explanation:
I did research
Answer:
Extraction of oil from tar sands is not economically feasible.
Explanation:
