Respuesta :
A way in which humus affects the properties of soil is that humus decreases the porosity of soil.
WHAT IS HUMUS?
Humus refers to organic matter present in the soil.
Humus is a characteristic of loamy soils, hence, responsible for high nutrients embedded in the soil.
Humus blocks the pores that allows the passage of air and water, hence, reducing it's porosity.
Therefore, a way in which humus affects the properties of soil is that humus decreases the porosity of soil.
Learn more about humus at: https://brainly.com/question/16235566