Over time the cartilage in your body is replaced by solid bone and is usually complete by the time you stop growing. True
or
not?

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

Name the part of the the brain labeled "e".

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis