Answer:
1) a 2)b
Explanation:
reasons
1) Once carbon dioxide dissolves in water, it reacts with water molecules to form carbonic acid.
2) the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.
Answer:
d I think... ................
Answer:
The study of anything basically. It is learing new things by observation, experiments, facts, principle, and hypothesis.
Answer: autonomic nervous system
Explanation:
The autonomic nervous system serves as a regulator of blood pressure and is also critical in the regulation of skeletal muscles blood flow during exercise.
Pulmonary ventilation increases because of a rise in tidal volume and respiratory rate to meet increased oxgyen demand.oxygen delivery during strenuous exercise is limited by cardiovascular function.
During exercise, there is an increase in physical activity and muscles cell respire more than they do when the body is at rest. The heart rate of breathing increases and this make more oxgyen to absorb into the blood and more carbon dioxide is removed
The list which correctly summarizes the main functions of proteins in the human body is the last one - p<span>owering movement, structural support, hormone production, antibody and enzyme production.
Skeletal muscles are responsible for movement and those muscles are made of protein. </span>
