The elements carbon, nitrogen and oxygen are crucial to life on the earth, at least. These elements are MOST IMPORTANT ELEMENTS ON THE EARTH.
There are six most important elements such as carbon, nitrogen, oxygen, hydrogen, phosphorus and sulfur. These are also referred as SPONCH elements.
It is proven to help build healthy muscles, joints, bones etc. It also has a good effect on your academic performance, as it increases the oxygen flow to the brain.
D)all of the above
<span>Homeostasis is the property of a system, either open or closed, that regulates its internal environment and tends to maintain a stable, constant condition within an organism. (Eg controlling amount of sugar in the bloodstream, keeping waste levels at acceptable levels.) </span>
<span>Opening and closing stomata controls the gas levels within the plant. </span>
<span>Converting excess sugar molecules to a lesser number of starch molecules regulates sugar levels. </span>
<span>Excreting waste through the cell membrane prevents waste build-up.</span>