'Hydro-thermal Vents' are described as the fissure or opening area in the seafloor from where the geo-thermally heated mineral-rich water gushes into seawater out of Earth's interior. These vents are often discovered near places that are active in volcanoes and in seamounts. These vents produce a dark and hot oxygen-deficient environment that is home to various communities of chemoautotrophic prokaryotes along with other organisms and unique ecosystems lying inside the deep ocean. Thus, <u>'hydro-thermal'</u> vents is the answer.
C. Douglass felt resentment against slave owners, and with using words such as loathed, meanest, wicked, persuades the reader to feel negatively about slave owners.
