Which of the following is not a major function of the roots?
a. development of root pressure that drives movement
b. providing a membrane in which osmosis moves water across
c. uptake of nutrients
d. photosynthesis

it is c. it is photosynthesis because is under the ground and away from the sun

in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.