How long does the repair stage last in bone healing? How does it last like some years what time

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

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d

Approximately what wavelength of light is best absorbed by chlorophyll a