Answer:
RNA molecules are made up of nucleotides
Explanation:
Carbohydrates are made up of monosaccharides (sugars!)
Lipids are made up of glycerol and fatty acids
Proteins are made of amino acids
<span>Cardiovascular heath</span>
The microscopic observations of cells form the basis of the cell theory and the idea that all living things are composed of cells; cells are the structural and functional unit of living things.
Answer: 0.69 m/ mile.
Explanation:
The altitude gradient between two cities X and Y = 
Given: Two cities are separated by 200 miles.
City X has an altitude of 122 meters.
City Y has an altitude of 260 meters.
The altitude gradient between two cities X and Y =

Hence, the altitude gradient between the two cites = 0.69 m/ mile.