Answer:
a.
dhiki is a Nepali traditional rice beater in nepal village . the manual wooden thersher . dhikki is made of woods and work like a lever , but it insted use for gridding ..... it is a local technology in a nepal .
b.
different my many different culture around the world, winnowing tray are essential design for yes on winnowing on agriculture method use to seprate grains from other plant material chaff.
<h2>
The money a student spends on rent for his apartment while attending school is not an example of the opportunity cost of going to school.</h2>
Explanation: Opportunity cost is defined as the loss of potential profit from other option when one option is chosen. For each choice we make, potential gain is lost by choosing that alternative.
We invest in university expenses as we believe, it will pay off someday in the future. The people who graduate with a degree gets higher salary and get long term career than a student without a degree.
The nap a student could have enjoyed without attending class is not an example of the opportunity cost as investment in colleges offer much more return.
Carl Linnaeus developed the classification system that is currently in use .
<h3>What is Classification systems?</h3>
Classification systems serves as the grouping and organizing of data base on certain criteria so they can be compared.
Therefore, the current Classification systems base on the living things was designed in 18th century and was widely accepted till today.
Learn more about Classification systems at;
brainly.com/question/276526
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