Why is measuring the rate of oxygen production in chloroplasts appropriate for estimating the rate of photosynthesis?

How does human environment effect the biosphere

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.