Which of the following describes what happens in the second step of photosynthesis? a. electrons bond hydrogen atoms to oxygen molecules to form a carbohydrate molecule. b. electrons bond hydrogen atoms to carbon dioxide molecules to form a carbohydrate molecule. c. electrons bond hydrogen atoms to carbon monoxide atoms to form a carbohydrate molecule. d. electrons bond hydrogen atoms to carbon dioxide atoms to form a carbohydrate molecule.

B. Electrons bond hydrogen atoms to carbon dioxide molecules to form a carbohydrate molecule.

Explanation:

In the second step of photosynthesis electrons bond hydrogen atoms to carbon dioxide molecules to form a carbohydrate molecule.

The second phase of photosynthesis takes place in the stroma. Six carbon dioxide molecules enter the cycle and bond with hydrogen atoms to produce one molecule of glucose or sugar.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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