Where do plants obtain the chemicals that they need to sustain life? Question 24 options:
a) Plants get most of the chemicals they need from the soil and the rest from sunlight.
b) Plants get all the chemicals they need from the soil, water from the air in the form of rain, and all other chemicals from the soil.
c) Plants get all the chemicals they need from the soil.
d) Plants get most of the chemicals they need from sunlight and the rest from the air.