What are the apparatus that can be used to help obtain these values. Heat produced by germination seeds.
Surface area to volume ratio of a potato cylinder.
Breathing rate of a human.
Volume of gas produced by yeast in anaerobic respiration.

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can

it is either c or d and i know for sure it is not a or b

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.

well, i believe that the answer is 2. : 3