The important development that allowed Dontrell to attend the birth of his child is the<u> </u><u>invention </u><u>of the</u><u> airplane/ air travel. </u>
Air travel:
- Has allowed humans to transverse great distances within very short periods
- Has revolutionized logistics in human society
Thanks to air travel being invented, humans can move distances that would take days by other modes of transport in mere hours. This will allow Dontrell to come back in time to attend the birth of his child.
In conclusion, Dontrell will not miss the birth of his child thanks to the invention of air travel.
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Answer:
C. complete protection from outside cultural influences
Explanation:
Answer:
Potassium ion
Explanation:
The answer is potassium ion.
The use of flame test is to detect the presence of metal ions in the solution. Different metal ions exhibits different colors when they are put into flames.
Sodium ion when subjected to fire or flame produces yellow flame.
Calcium ions and lithium ions produces red flames.
Potassium ions produces violet or purple flames when put to fire.
The color of the flame of each ion depends on the atomic spectrum of the element.
Thus the answer is Potassium ion.
Answer: Development means “improvement in country’s economic and social conditions”. More specially, it refers to improvements in way of managing an area’s natural and human resources. In order to create wealth and improve people’s lives.
Dudley Seers while elaborating on the meaning of development suggests that while there can be value judgements on what is development and what is not, it should be a universally acceptable aim of development to make for conditions that lead to a realisation of the potentials of human personality.
Explanation: