A student is studying water feas and measuring their heart rates as the number of beats per second. What type of data is he recording

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?