Which of the following was not associated with? applying science? to agriculture? in the united states at the turn of the 19th century? ? ? ?
a.? artificial fertilizer ? ? ?
b.? wind power ? ? ?
c.? insecticides ? ? ?
d.? rotation of crops

St. louis, missouri, and san francisco, california, both lie around 33° north latitude. st. louis is inland, while san francisco is on the coast of the pacific ocean. which statement about these north american cities would be true? san francisco will be warmer than st. louis in the winter. san francisco and st. louis will be about the same temperature year round. san francisco will be warmer than st. louis in the summer. san francisco will be warmer than st. louis year round.