Dr. mbiti believes that people age because their muscles and arteries become less flexible as they interact with certain proteins. her lecture describing this position is most likely to focus on:

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called