100 point Which substances are contained in saliva and tears to break down pathogens? enzymes

acids

oils

sweat

This is a type pf behavior that animals are born with and them to survive

Which type of respiration takes place when there is no oxygen present

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit