Why is it wrong to say that bread is a compound?

What two fields of study provide the core information that is used to classify organisms?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi, r^3 , where r is the sphere’s radius.