What characteristics of viruses distinguishes them from cells? Please Explain so that I can understand. A. They do not have hereditary material.

B. Their traits do not evolve in response to natural selection.

C. They lack the ability to live independent of a host.

D. They are not separated from their environments.

What best describes the structure of the declaration of independence?

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

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