Photosynthesis reactions mainly occur in the of plants. a. stems b. flowers c. roots d. leaves

d is the answer

Is there any solid scientific evidence that humans have been cloned?

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.

In what part of the body does the most muscle activity happen?