Which of the following best explains the comparative anatomy of bird wings and fly wings? a). homologous structures
b). analogous structures
c). vestigial structured
d). embriological structures

Where would you most likely not find an alpine glacier? the himalayas the rockies the andes flat areas of antarctica

Which of the following is a consequence of urban heat islands? increased precipitation downwind of the city? increased precipitation upwind of the city? decreased winds within the city? increased winds within the city?

In which state was more than 100 billion tons of coal mined in 2005?