Ice cores from Antarctica allow scientists to measure the amounts of atmospheric carbon dioxide from long ago. These samples
would BEST provide evidence for
climate change
continental drift
the big bang theory
magnetic field reversal

What heat is removed how does a gas become a liquid

Drag each label to the correct location on the image. each label can be used more than once. a scientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions. protein will not be changed. protein may be changed. attcgtgttc atcgtgttc atcgtattc attcgtattc

What happens when the cell copies its chromosomes