Answer:By the sympathetic branch.
Explanation: The two branches of an autonomic systems are the Sympathetic branch and the Parasympathetic branch.
The sympathetic branch alone both relaxes the bronchial muscles to open the airways and allow more airflow, as well as increases the heart rate to move blood to the muscles faster.
Answer:
Engineering law and ethics are the moral codes associated with the field in which engineers are meant to adhere strictly to.
These ethics help in the safety of the engineers as a result of wearing protective clothing being a part of the ethics . Accuracy should also be taken important in research and daily activities. Corrupt practices and activities which poses risk to the environment is also strictly prohibited.
Answer:
The energy yield for one gallon of ethanol is 2.473 %.
Explanation:
The net energy yield (), expressed in percentage for one gallon of ethanol is the percentage of the ratio of the difference of the provided energy (), measured in Btu, and the energy needed to produce the ethanol (), measured in Btu, divided by the energy needed to produce the ethanol. That is:
(1)
If we know that and , then the net energy yield of 1 gallon of ethanol:
The energy yield for one gallon of ethanol is 2.473 %.