The correct answer is option (a). Parent material
The soil horizon refers to distinct layers of the soils, which are parallel to one another, but have a different composition from the layer present above and below to it.
The soil horizon can be divided into four different layers. First one is organic layer, which is the topmost layer, below this layer second layer of topsoil is present. Below top soil, subsoil is present. Below subsoil, the bottom most horizon parent material is present.
Transcription is the correct answer
Answer:
Placenta
Explanation:
The term for the premature separation of the highly vascular structure that acts as communication between the mother and the embryo is the placenta.
The Placenta develops in a woman's uterus during pregnancy. It helps provide the necessary nutrients and remove the needed waste from the baby's blood.
Answer:
conducting research to observe things in their natural habitat.
Explanation:
for example if someone is studying a certain culture, they would study the peoples culture, folklore, ways of living, and would interview them.
