(Q).
Answer the question below:   the pilot was looking at the barometer in his airplane. he saw that with a decrease in height made the density be higher or lower?    Assuming that:  The density of the atmosphere decreases with an increase in the height above sea level (altitude).
(A).
higher


(Q).
Answer the question below:   Eric adds more resistors to the series circuit. The resistance increases or decreases?    Assuming that:  In a series circuit, the resistance increases as more resistors are added in series.
(A).
increases


(Q).
Answer the question below:   John was combining chemicals in his lab one day. If he were to decrease the temperature in his lab, what would happen to the rate of chemical reactions in his experiments increase or decrease?    Assuming that:  Chemical weathering increases as: Temperature increases: Chemical reactions proceed more rapidly at higher temperatures.
(A).
decrease