A student wants to test if the type of gasoline used in a car affects the gas mileage. On the list below, check off all the factors that would be constants. A. The engine used
B. Premium gas
C, Amount of gas used
D. Regular gas
E. The car used
F. Type of road
G. The driver
H. The speed of the car

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation:

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .