Answer:
Element, Sodium and Chloride
The correct answers are:
- Only about 3 percent of Earth's water is freshwater;
The amount of freshwater, out of all the water on the planet, is very low, only around 3%. Considering how much we spend of it, and how much we are polluting it, it is alarming, and urgent measures have to be taken in order to preserve this essential life element.
- About 75 percent of the freshwater on Earth is frozen in ice sheets;
Not just being only 3% out of the total water reserves on the planet, the majority of the freshwater is not actually usable, as around 75% (68.7% by the newest data) of it is actually frozen. The ice sheets on the poles, as well as the glaciers, are holding most of the freshwater in them, and even if they melt, the water will become saline and not usable because it will mix with the ocean waters.
It's false.the reason is explained in the picture
So,
The most important functional organic groups are shown in the following picture:
If we analyze your molecule properly, we can identify the following:
The answer is Ester.
Molecular and Microbiology