Which of the following does not play a role in creating the elements needed for life as we know it? a. high mass stars
b. heavy element fusion
c. supernovae
d. neutron stars

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

Did you know that a blue wales tongue weighs more than an elephant?

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures