Characterize the smog in downtown new york city. a) the smog is a uniform gaseous mixture including oxygen, nitrogen, and soot. b) it is a heterogeneous mixture of oxygen, nitrogen, and particles like soot. c) smog is a homogeneous compound formed by mixing oxygen, nitrogen, and soot. eliminate d) smog is a consistent amalgamation of oxygen, nitrogen, soot, and water vapor.

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.