Please answer... I’m thx!!

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

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.