Prompt Give an example of how the calcium in an animal's bones might be cycled back into the environment. PLEASE HELP

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602