The correct answer is:
A. Terrace farming
B. Movable-type printing
C. Deep-ocean keeled ships
Discovery is one that has been discovered for the first time—something that has been found or learned about for the first moment.
The term "discovery" can also be known as the process of exploring some of the facts or something. It includes uncovering or understanding something that has been previously unknown.
These are the invention or discoveries of china that have been very useful and helpful for the people of all over the country and also contributed to the intellectual life of the person.
This helped them to work smartly instead of hard work. It had eased their life and also had provided support to them in growing more and more crops and strengthening their livelihood as well as the economy particularly in the primary sector or the agricultural sector.
To know more about the Chinese discoveries or inventions, refer to the link below:
https://brainly.com/question/17636520
