What is the primary function of a plant's root hairs?

a
root hairs move water and minerals up.
b
root hairs prevent excessive loss of water.
c
root hairs move food particles up and down.
d
root hairs provide a larger surface area for absorption.

Nitrofurantoin used during the fifth week of pregnancy places the neonate at risk for which condition?

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos