Scientists are working on developing a vaccine to combat a common virus. The vaccine will most likely include?

Skulls of (1) modern gorilla, (2) australopithecus afarensis, (3) homo erectus, (4) homo neanderthalensis, (5) homo sapiens based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ? (2 points)

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

9. the history of life on earth is recorded in