A is direct variation because the line does not curve and x and y are in a direct ratio
Because it's the most abundant gas in atmosphere , required by plants
C is true.
A is definitely false, since photosynthesis does not occur in petals, but in the leaves (or the portions with green pigmentation)
B is unlikely, depending on which country/state the tap water is from. Anyway, water is more important than nitrogen for the plant to survive.
Hope this helps! :)
Parasympathetic system calms you down lets all your organs have the same amount of oxygen delivered. The sympathetic system gets your muscles moving and makes you excited.
