Plants growing in the dark start to fall over because they can no longer
support their own weight. Students want to find out why this is happening.
Which of these is a good hypothesis for an investigation of the problem?
OA. The plants need to absorb glucose from the soil so they can have
more energy.
OB. The plants should start using protein in order to support their
bodies.
OC. The plants need sunlight so they can produce more cellulose for
support.
OD. The plants need more water in order to keep their cellulose from
breaking down.