What types of sources are unreliable

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

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

Which type of landforms forms at the plate boundary as a result of divergent stress