Answer:
all left go left all middle go middle all right go right
Reading background information because it gives ideas from the author himself.
Answer:
higher altitudes have a lower level of oxygen which in turn, trains your lungs to hold and breathe more oxygen which also helps you cycle, run, etc. longer than usual
Explanation:
The magnification power level of the microscope
by WASHING THEIR HANDS EVERY TIME THEY HANDLE FOOD OR USE THE LOUI!!!!!
