Arma un texto que relacione: inclusion en ambar
darwin
sol
huella´
estrato
luna
molde
fosiles
ser vivo
erupcion volcanica
sedimentaria
impronta

1. using two to three sentences, summarize what you investigated and observed in this lab. 2. what building material did you use to build your house? did your results support or fail to support your hypotheses?

Some animals that live in the desert don't move often, if at all, during the day in order to conserve water and energy. this seasonal behavior is best described as which of the following?  

What discovery would weaken the primordial soup hypothesis of the origin of life? question 19 options: lightning was common on early earth. earth’s early atmosphere contained carbon dioxide, water, and trace gases. earth’s early oceans were warm and shallow. asteroid impacts were uncommon when life is presumed to have begun.