Answer:
Temperature decreases because the number of collision of the molecules decreases as they escape or evaporate. Molecules are in constant motion. Increase in temperature leads to increase in average kinetic energy of the molecules.
70-10/70 x 100 percentage change ....
60/70, 6/7 fract change
Answer:
a)
, b) 
Explanation:
a) The absolute pressure at a depth of 27.5 meters is:



b) The force exerted by the water is:



False because when the training higher there is less oxygen
D) Less than 20.
Explanation:
Equivalent resistance in a parallel combination is less than their individual value.