The correct answer is A.
"Clearing the market" refers to the price at which a product is priced so perfectly and in tune with demand and supply that all of that product is sold.
The answer is (a). your welcome
Drip irrigation is an irrigation technique that has as its aim to save the water: only the necessary amount of water is released and the water is applied in a matter that directs it directly to the plant's roots.
The key characteristics of this method is, as the name suggests, dripping. The water drips at a pace which can be regulated, which means that at no point is the water is poured in abundance, which usually leads to large portions of water evaporating.
Structuralism used the practice of introspection to study consciousness.
Structuralism in psychology (also structural psychology) is a theory of consciousness developed by Wilhelm Wundt and his mentee Edward Bradford Titchener. This theory was challenged in the 20th century.
I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.