Answer:
the train leaves at the end and the family.
Explanation:
get up and running with the base.
It is true, because water keeps going back and forth till there are an equal amount of molecules on BOTH sides.
Are explained? or it has steps to solve somethin
Chemical factors: This is due to internal stimuli. Changes in the blood such as decrease in O2, increase in CO2 and decrease in PH cause impulse in the carotid artery which stimulates the respiratory centers in the medulla and cause breathing.
Mechanical factors: also called external stimuli. Compression of the fetal chest during delivery forces small amount of lung fluid out of the lungs. This increase in pressure in the chest draws air into the lungs.
