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.

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.