Answer:
Oxygen
Explanation:
All cells need oxygen in order to operate properly. If Her respitory system isnt working correctly, her cells will start to not work which can lead to multiple issues such as shortness of breath, fatigue, muscle fatigue, brain fog, etc in short term. Long term/ more serious issues could be a collapsed lung, confusion, fainting, kindey failure, sever muscle weakness, etc.
USA is the country in which the metric system is not followed. Hence option A will be the correct answer.
All the other countries uses metric system for their units. Due to this season there is no confusion in conversion of the units. But England has special case, its distance is measured in miles and the speed is measured in miles per hour.
The other units are measured in metric uniform. Other than USA there are two more countries which do not accepts the metric unit system they are Liberia and Burma.
Use the settings of the machine to decrease the intensity
George can work out for the same amount of time but with a lower intensity that way his heart rate won't increase
I think the answer is A. paper isn't related to oil.
90% is lost, as only 10% is available to the next level.