How is ozone created? why is there more ozone produced at the equator compared to the poles?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Explain why the plants cortex would serve as the best food source for animals

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different