In which of the following places is it more difficult to determin if there is pollution?

aquifer

stream

pond

air

Barbara is converting 78°f to degrees celsius. first, she subtracts 32 from 78. what is the next step?

Which muscle is responsible for inhalation ?

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