Ghrelin INCREASES APPETITE.
Ghrelin is an hormone which is majorly produced by the stomach. Other organs, which produces the hormone in small quantities include: the brain, the pancreas and the small intestines. The hormone has many functions, but its major function is to stimulate appetite, increase food intake and to promote fat storage.
The correct answer is - D. use a greenhouse.
If the climate is not suitable for a certain exotic plant, and the reason for that is that it is colder than the place from where the plant originates, than the best solution is to plant it in a greenhouse.
The greenhouse will provide higher temperature for the plant throughout the whole year, so it is will have a proper temperature, similar to the one it is adapted to. Also, it will receive sufficient amounts of light. It will be protected from the outside influences such as the cold winds, snow, low temperatures, so it will have a good chance of growing.
To clarify, you should read the directions that come with the lab activity to be sure of what to do in the lab.
The surface tension is the result of the tendency of water molecules to attract cohesion.
