Steroids are
complex carbohydrates
lipids
a subclass of fats
a type of phospholipids

Steroids are a type of lipid. They are lipid molecules that typically have four rings of carbon atoms.

Properties of steroids include.

1. They al have three 6- sided carbon rings and one 5 - sided carbon ring.

2. They are all organic compounds

3. They are insoluble in water.

Steroids are important in medicine, chemistry and biology. Examples of steroids include all sex hormones , adrenal cortical hormones, bile acids and sterols of vertebrates.

Steroids are commonly used as constituents of anti-inflammatory medicines as well as oral contraceptives.

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explanation:

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%