Answer:
Advances in technology
Explanation:
Advances in technology is the single most important factor in the expansion of economic connections between countries since the mid-20th century.
Since the mid-20th century, the gap between nations is being gradually covered by technology. This has facilitated ease of doing business and have reduced the communication gap and as well as closed up the economic gap between nations.
All these have greatly contributed to the expansion of economic connections between countries since the mid-20th century and is a great boost to global trade.
The answer is that they emphasize that individuals manipulate information, monitor it, and strategize about it.
"The mass of Substance C is five times the mass of Substance B", the given statement is correct.
Answer: Option D
<u>Explanation:</u>
As Jessie added 16 gm. of Substance A to 4 gm. of Substance B Obtained certain amount of Substance C which can be calculated as follows:
amount of Substance C = Substance A + Substance B = 16 + 4 = 20 gm
Therefore, 20 gram of Substance C was obtained. Here, fourth statement is correct which says the mass of Substance C ifs five times the mass of Substance B to justify this, see the below:

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