6. Which statement is true about alr pressure acting on an object? The amount of air pressure pushing down on an object will gradually decrease with time.
The amount of air pressure pushing up on an object will gradually increase with time.
There is just as much air pressure pushing up as there is pushing down on an object.
There is more air pressure pushing up on an object than there is pushing down.​

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one