Fossil fuels, such as oil and natural gas, are primarily formed from the remains of what? phytoplankton
mammals
bacteria
dinosaurs

Which of the following is the most likely outcome of global warming

If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?

Abacteriophage typically attaches to the bacterium and then