What problems might occur if carbohydrates and sugar are low?

Compare the composition of the moon's surface with the composition of the earth's surface.

Are the earth's ocean floor and continents the same age geologically? why or why not?

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.