Which of the following is true concerning the balance between the solar energy absorbed and radiated by Earth? a. Earth’s atmosphere absorbs a larger fraction of total solar energy than it radiates. b. More than 90% of the solar energy that strikes Earth is absorbed. c. Earth’s surface is responsible for absorbing a larger fraction of energy than it radiates. d. None of the above. Please select the best answer from the choices provided A B C D

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now