Viruses are considered Non-living because: A. they do not metabolize nutrients.
B. they don't have genetic material.
C. they infect cells.

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Did you know that a blue wales tongue weighs more than an elephant?

How does human environment effect the biosphere