Read the following passage from Douglass's speech: With little experience and with less learning, I have been
able to throw my thoughts hastily and imperfectly together;
and trusting to your patient and generous indulgence, I will
proceed to lay them before you.
How does Douglass establish credibility in this passage?

Without stratospheric ozone, which of the following would most likely occur? i. smog over major cities would be greatly reduced. ii. farms would produce surplus crops because of increased photosynthesis. iii. uv radiation would damage phytoplankton and reduce populations of aquatic consumers. i only ii only iii only i and ii i and iii