Design an experiment to test substances X, Y, and Z to determine which one is a catalyst for the reaction.

Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity

Explain why biological control methods are generally environmentally superior to chemical pest control methods.

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.