Please help me this assignment is due at 9

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

9. the history of life on earth is recorded in

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