Carbohydrates are made of carbon and oxygen. What is the third
element that makes up a
carbohydrate?
A. hydranium
B. water
C. hydrogen

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Carbohydrates are biological molecules made of carbon, hydrogen, and oxygen

Explanation:

in a ratio of roughly one carbon atom ( Cstart text, C, end text) to one water molecule ( H 2 O \text H_2\text O H2Ostart text, H, end text, start subscript, 2, end subscript, start text, O, end text).

amber has allowed scientists to study dna that has been preserved over millions of years.

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.