Which mass movement poses the greatest risk to human life because it moves so quickly? earthflow mudflow slump

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

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.