I would say that wind is the top agent of erosion that is assisted by gravity because gravity pulls down the sediments that the wind is eroding.
Planet earth is the only known region of the universe to host life and so the basic criteria for life is based on observations made here. For an entity to be considered a living organism it must contain DNA or some other means of storing genetic information. The second criteria is that it must have some way of extracting nutrients from its surroundings. The organism must be able to respond to environmental stimulus and last but not least it must be able to reproduce.
Answer:
The answer is - It was not a controlled experiment
Explanation:
A control experiment can be defined as that in which the all variable is kept constant and intact and then used as a standard of comparison or measurement to the experimental component.The commercial showing several people initially struggling to balance without the wristband and then balancing fine with the wrist band is not a controlled experiment.
The four polysaccharides are glycogen, starch, cellulose, and chitlin. You consume them. They are sometimes artificially made or produced by your body.
The two reactants are carbon dioxide and water.
The two products are oxygen and glucose.
Hope this helps!