Which of the following statements is NOT true about science a. Science is a method rather than an accumulation of facts. b. Science challenges previous assumptions. c. Science involves testing possible solutions to certain types of problems. d. Science is highly predictable, but not provable. e. Science is a process by which knowledge is accumulated.

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

a compound light microscope is used to magnify objects in steps.  

hope it