Please help me I don’t understand

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

The shift of a vehicle's weight around its center of gravity is known as

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.