16. Through which of the following mediums is the velocity of a sound wave the greatest? A. Steel
B. Lend
Water
D. Air

A.) Steel.

steel travels 5,060 meters per second,

lead travels 1,402 meters per second,

water travels 1,439 meters per second,

and air depends on temperature.

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).