A student tied a potato cube to a plastic rod and suspended it in solution X. After two hours, the plastic rod is bent slightly as shown in Fig. 1.1.
original position
of plastic rod
final position of
plastic rod
thread
beaker
potato cube
solution X
Fig. 1.1
(a) (0)
Explain the final position of the plastic rod after two hours.

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.