Which term is used to describe a group of arctic foxes that live in the part of alaska's arctic national wildlife refuge

What are chlorofluorocarbons made of

What happens whenever a net force acts on an object

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.