Fundamental differences in the cell, the basic unit of life, allow for broadest classification of all living organisms into three domains: Bacteria, Achaea and Eukarya. which of the following can organisms NOT classified on?

A. Ability to obtain nutrients
B. Mode of reproduction
C. Physical characteristics
D. Lacking a nucleus

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

How many neutrons does a atom of cobalt have?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present