What is heredity because it is asking me about it

Heredity is the pass  of characteristics/physical features.

Explanation:

For example, you can inherit the same color hair as one of your parents.

You are inheriting a special trait that they have.

answer; i believe that the correct answer is (b) is a factor associated with physical activity and heart disease;

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.