Oxygen is a compound , phosphorus and nitrogen , and reservoirs
Answer:
Chloroplast
Explanation:
Chloroplasts are organelles found in green plants. They are the sites of photosynthesis. Chloroplasts contain chlorophyll, a photosynthetic pigment that traps light energy. This energy is used to power a series of reactions that convert water and carbon dioxide into sugars.
I'm pretty sure that was <span>Oswald Avery.</span>
Answer:
1. hydrogen; 2
2. it means two strands of DNA twisted around each other like a winding staircase
