Answer:
herd immunity is real. It is where you put a bunch of sick people together so that way they get antibodies sooner It did work in the old days. With the new virus, you might not want to try it.
The USDA Center for Nutrition Policy and Promotion.
They created food pyramids and circles as well.
Hope this helps!
Heat<span> can also be </span>transferred<span> by the </span>movement of fluids, <span>liquids and gases. Convection is </span>heat transfer<span> by the </span>movement<span> of </span>currents<span> within a </span>fluid<span>. During convection, </span>heated<span> particles of </span>fluid<span> begin to flow. When a </span>liquid<span> or gas is </span>heated<span>, the particles </span>move<span> faster and spread apart.
Please out me on brainlest.</span>
