Voice pitch is an inherited trait. which family group is most likely to occur?

two high-pitched voiced parents have a child with a low-pitched voice.
two medium-pitched voiced parents have a child with a high-pitched voice.
a low-pitched parent and a high-pitched parent have a child with a medium-pitched voice.
a high-pitched parent and a low-pitched parent have a child with a high-pitched voice.

answer; /// i do believe the correct answer is (

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.