Why don't noble gases tend to form chemical bonds?

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Which is an inner plant a. earth b. saturn c. jupiter d. neptune