When a volcano erupts, it results in dangerous lava and mud flows, and the ash it produces can travel hundreds of miles. which of the following best describes an initial consequence of this catastrophic event?

less diversity of plants
prolonged drought
increase in invasive species
plant populations increase

clinically, some people often have repeated allergies, eczema and respiratory infections or other parts of the infection, in this case, in addition to some routine tests such as tests for white blood cells, immunoglobulin series, lymphocyte subsets, etc., the five immune immunoglobulin tests are also necessary.