What kinds of tissues are involved when this girl uses the head tickler? Explain your answer in 3-5 sentences. PLZ HELP

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.

Nucleic acids offer variability because they contain alternate forms of genes called .

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.