Layers of soil
What are the names of all the different types of soils in order?
O horizon, A horizon, E horizon, B horizon, C horizon, R horizon
What substance has been added in small quantities to improve or preserve it?
It is an Additive
What layer of soil has humus in it?
O Horizon has humus in it
What type of soil additive is used to make roads and sidewalks less slippery but, interferes with plants and grass?
Road Salt does
What number of the layers in soil is called "B Horizon"?
It is the fourth layer of soil that is called B Horizon
What increases the amount of nutrients found in the soil, plants, and grass and also helps them grow?
It is called fertilizer
Which layer gets its minerals by the water droplets of the soil above?
B Horizon
What are the horizons also known as?
O Horizon - hummus A Horizon - topsoil E Horizon - Eluviation B Horizon - subsoil C Horizon - regolith R Horizon - bedrock