lass="kw">=</span> <span class="st">'Oncorhynchus EC50 values'</span>,
       <span class="kw">subtitle</span> <span class="kw">=</span> <span class="st">'20 most tested chemicals'</span>,
       <span class="kw">x</span> <span class="kw">=</span> <span class="st">'Concentration (ppb)'</span>) +
  <span class="fu"><a href="https://ggplot2.tidyverse.org/reference/ggtheme.html">theme_minimal</a></span>() +
  <span class="fu"><a href="https://ggplot2.tidyverse.org/reference/theme.html">theme</a></span>(<span c