1. When a baby was born he weighed 9 pounds. After 5 years he weighed 40 pounds. Where did the mass that he gained come from?

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

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Explain why the plants cortex would serve as the best food source for animals