Answer:
a. alphabet line
Explanation:
Technical drawings are the drawings that help in communicating the designs. These designs are the designs that provide the instruction for the manufacturing of any object. The designs are made with the help of lines and line symbols. Line symbols are termed to be alphabet of lines. They help the designers to draw the designs with accuracy. Various lines are drawn that differ in terms of thickness and darkness. These variations helps the designers to mark the design accurately.
Answer:
Both reactivity and electronegativity decrease down a group.
I'm assuming this is multiple choice...
Explanation:
In recent years, the United States has been known to export more of its services abroad than it has imported due to its experienced workforce and industrialization.
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What is Export?</h3>
These are the goods and services which are sold to another country in exchange of money and its equivalents and is regarded as one of the determinants of the value of the gross domestic product of countries.
High technological advancement which led to the increase in industries etc in the United States has led to an increase in goods production which are sufficient enough to cater for the people. This is the why the excess is usually sold to other countries. The more exports a country has, the more revenue it generates to cater for other departments.
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Answer: Tbh It may cause an increase in the human population as competition is reduced if ecosystem services are no longer adequate to meet social needs.
