Which statement is true? O A. Opinions can be scientifically tested.
OB. Scientific theories are absolute and cannot be changed.
OC.
Scientists have learned all they'll ever know about science.
OD.
Facts can be scientifically tested.

D. Facts can be scientifically tested.

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.