Is the following sentence true or false? the greater the height of an object the greater its gravitational potential energy

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above

Match each description of an object’s motion with the position-time graph that represents it. not moving moving with constant speed speeding up slowing down