What is the result of an opening developing that allows air into the space between the visceral and parietal pleura of the thorax?

thymine. in rna, thymine is replace by uracil

because the light is a great source of energy for the plants to survive. (i hope this )

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

light dependent reactions:

light independent reactions:

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