Proteins, carbohydrates, and fats all contain three main elements <em>carbon, hydrogen, and oxygen.</em>
However proteins contain nitrogen, and element not found in carbs or fats.
Hope I helped! :)
<span>As the human population grows, our natural resource requirements
increases. The answer is letter A. One, the source of food is important for survival.
More humans needed the right nutrition to improve bodily functions. And therefore,
more lands are to be cultivated for agricultural production to suffice the needs
of the society. Two, humans need extra habitable
area to live. It does not go in cycles because
the ecosystem is not balanced. Population explosion is the main cause why these
natural resources slowly decreases and at the same time increases their demand.</span>
Answer:
The most important are the lungs, more precisely the alveoli.
Explanation:
Alveoli are structures of the lungs where gas exchange occurs. They allow oxygen from the air to pass into blood. Oxygen diffuses through the walls of alveoli into the capillaries that surround it. Oxygen is then bonded with the iron in red blood cells and travels to the heart. The heart then sends the oxygenated blood out to all the cells in the body.
Answer:
Apparently 0 is the answer which makes sense
Explanation:
https://www.tiger-algebra.com/drill/(x-5)(x_1)/3(x_1)=x-5/3/
Water is the compound. Iodine and calcium are elements, and air is a mixture
