Food cant move unless psychically moved by a human so thats the potenial energy it is not stored any were.
Answer:
D. Cellular respiration releases oxygen and photosynthesis releases carbon dioxide
Yes we did we had microbes before we were born
Answer:
Oceanic crust is thinner and denser than continental crust.
Viruses are not always classified as living cells because they cannot live independently. They rely on a host to provide all resources to live, without a host they are in a dormant, near dead like state. Therefore it has to define a virus as dead or alive as it may or may not have a host.