write any two factors that affect the speed of sound in gaseous medium sound waves can't propagate in vaccum why

The particles that are found in the nucleus of an atom are

Explain how a step-down transformer makes electricity safe for use in homes

Anumber of conditions are required for a population to be in hardy-weinberg equilibrium. which of the following are correct descriptions of the conditions that must be met? check all that apply. a. no mutations b. random mating c. small population d. migration or gene flow e. occurrence of mutations f. no natural selection