Human are not the only animals that pollute the air

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates

What is responsible for the uneven heating between the poles and the equator on any given day

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?