Alcohols are flammable, suggest how the mixture of alcohols should be safely heated so that ethanol can be collected

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

How do dying stars contribute to the formation of planets

Who discovered a pattern to the elements in 1869?