100 !
what is gravitropism?
1.)when the roots of the plant grown down
2.)when the plant flowers
3.)when the plant reproduces
4.)when the stem grows down

  n=   0.0000 - 0.3750 i  

  n=   0.0000 + 0.3750 i

step-by-step explanation:

one of these should be correct

i use my brain for prombles like this maybe you could try it

step-by-step explanation:

60%