1. Working with bronze
2. Building ships
EXTRA:
3. Use of the sun and stars for navigation at sea
4. Religious practices
As per the meaning of economics, Economist are worried about the scare resources and commodities.
<h3>What is economics?</h3>
Economic refers to the field of science which related to the production of goods and services in a nation. It also includes the consumption and distribution of the commodities.
Economists are primarily worried about the unlimited demand of the goods and services to the limited resources' availability. Therefore, it can be concluded that Economic experts are preoccupied about the scarcity of resources and commodities, according to the definition of economics.
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Answer:
NUCLEOTIDE
Explanation:
Nucleotides are attached together to form two long strands that spiral to create a structure called a double helix. ... Each chromosome contains a single DNA molecule. Humans have 23 pairs of chromosomes, which are found inside the cell's nucleus.