11. Which of these conditions would decrease the rate of photosynthesis in a plant? A. above average precipitation

B. Changing the daylight hours from 14 hrs to 10 hrs

C. Changing the CO2 concentration from 380 ppm to 410 ppm

D. All of these choices

Which of the following did you identify correctly

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .