Answer:
The answer is A! To transport oxygen/carbon dioxide and nutrients through the body
Explanation:
The blood travels through arteries and blood vessels to and from the heart
The best answer is B. <span>Photochemical smog tends to form over sunny cities. </span><span>The main components of smog are nitrogen oxides,
volatile organic compounds, peroxyacytyl nitrate and tropospheric ozone. Smog
is a mixture of air pollutants which are altered due to exposure to sunlight. </span>
Answer:
Single gene disorders are caused by DNA changes in one particular gene, and often have predictable inheritance patterns.
some disorders are; cystic fibrosis and sickle cell anemia
Explanation:
There is no right or wrong answer.
If you ask me, this statement is True.