What is a disorder involving excessive worry about health and disease?

Scientific method and data analysisa biology student wanted to determine if there is a relationship between resting heart rate and bodyheight. she gathered information from 12 classmates and constructed the table below.resting heart rate (beats per minute)student height (cm)155. 156156165180180190194195

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy