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Because those are 4 of the most abundant (or most reccuring) gases in Earth's atmosphere.

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15y ago

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What is the human body mostly made of a carbon oxygen nitrogen and hydrogen b oxygen calcium carbon and hydrogen c hydrogen iron nitrogen and oxygen?

The human body is made up of only mostly carbon, oxygen, hydrogen, nitrogen, calcium, and phosphorus. The top four elements are oxygen, carbon, hydrogen and nitrogen, so that would be a. on your list.


Which rock is comprised of mostly carbon as well as sulfur hydrogen oxygen nitrogen and ash?

Coal is a type of rock that is comprised of mostly carbon, as well as small amounts of sulfur, hydrogen, oxygen, nitrogen, and ash.


What elements compose carbohydrates lipids proteins?

Carbohydrates are composed of carbon, hydrogen, and oxygen. Lipids are composed of carbon, hydrogen, and oxygen as well, but they have a higher ratio of carbon and hydrogen compared to oxygen. Proteins are composed of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur.


What elements make up each biomolecule?

Carbon, hydrogen, and oxygen


Howmany of hydrogen is in the atmosphere?

There is not much hydrogen in the air at all. The air mostly consists of oxygen, nitrogen, and carbon.


Is my body made mainly of metalloids?

No, your body is mostly the nonmetals hydrogen, oxygen, carbon, and nitrogen.


What are four main elements from which protein is made?

All proteins contain carbon, hydrogen, oxygen and nitrogen. Most of them also contain sulfur, which is found in the standard amino acid residues cysteine and methionine (any given protein might not contain either of these, though it would be unusual).


Which list shows the elements from most abundant to least abundant in the universe Hydrogen Oxygen Nitrogen Carbon Hydrogen Oxygen Carbon Nitrogen Oxygen Hydrogen Nitrogen Carbon Oxygen Hydrogen Carbo?

The most abundant elements in the universe, in order from most to least abundant, are Hydrogen, Helium, Oxygen, Carbon, and Nitrogen. Therefore, the correct list would start with Hydrogen, followed by Helium (not listed), then Oxygen, Carbon, and finally Nitrogen. The first option you provided, "Hydrogen Oxygen Nitrogen Carbon," is almost correct but is missing Helium and has an incorrect order for Nitrogen and Carbon.


What four elements make up 96 percent of living organisms?

The four elements that make up 96 percent of living organisms are carbon, hydrogen, oxygen, and nitrogen. These elements are essential for building biological molecules such as proteins, DNA, and carbohydrates that form the fundamental structure of living organisms.


What are the four most common elements in living matter?

Carbon, Hydrogen, Nitrogen, Oxygen


Do sugars have nitrogen?

No. Sugars are composed of carbon, hydrogen, and oxygen, but not nitrogen.


What elements are in lipids?

Lipids typically consist of carbon, hydrogen, and oxygen atoms. Some lipids may also contain elements like nitrogen, phosphorus, or sulfur in smaller quantities depending on their specific structure and function.