<h3>To round to a significant figure:</h3>
- look at the first non-zero digit if rounding to one significant figure.
- look at the digit after the first non-zero digit if rounding to two significant figures.
- draw a vertical line after the place value digit that is required.
- look at the next digit.
 
        
        
        
Carbohydrates, lipids, and protein have potential energy, and can be used in aerobic respiration to generate . 
Carbohydrate- A carbohydrate is a naturally occurring substance or a derivative of one, made composed of molecules of carbon, hydrogen, and oxygen. The most prevalent organic compound is a carbohydrate, and all life depends on them.
Lipids- Fatty, waxy, or oily molecules are referred to as lipids. They are soluble in organic solvents but insoluble in polar solvents like water.
Protein- Large, intricate molecules known as proteins serve a variety of vital functions in the body. They are crucial for the construction, operation, and control of the body's tissues and organs and carry out the majority of their job inside cells.
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It is a concern because it has affected Brazil majorly and mostly on the newborn children, this is why they want a treatment because its ruining Brazilian children
        
             
        
        
        
Answer:
exortion first, capillary action second, electric discharge