What happens when the stomata on a plants leaves are open?

The stomata open and close to allow the intake of carbon dioxide and release of oxygen.

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ples brainliest

answer; ///(b) it is composed of four protein chains and four heme groups;

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.