In areas where there is no sunlight, such as deep ocean, what are the
common producers?
A. Sulfur Bacteria
B. Sulfur Fungus
C. Sulfur Plants

9. wind power creates pollution. water air soil noise

In which situations is the principle of cross-cutting relationship useful in determining relative age?

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.