Individual organisms live together in an ecosystem and depend on one another. Other organisms have to get their food by eating other organisms.
During a nuclear reaction mass is converted into energy
The answer should be C. I dont know know if you have misspellings or not
Answer: A polar bond is a covalent bond between two atoms where the electrons forming the bond are unequally distributed.
Example: A water molecule, abbreviated as H2O, is an example of a polar covalent bond. The electrons are unequally shared, with the oxygen atom spending more time with electrons than the hydrogen atoms.