Answer:
put the solution over ice.
Answer:
a. Alkynes (CnH2n+2) are saturated hydrocarbons.
The Highlands consist of constantly erupting volcanoes.
The Highlands formed by uplifting volcanic activity.
<h3> E
rupting volcanoes</h3>
The Highlands consist of constantly erupting volcanoes and the lands formed by uplifting of regions due to volcanic activity are the factors that are responsible for the unusual ecosystem of the Ethiopian Highlands.
<h3>Causes of unusual ecosystem</h3>
There are eight types of ecosystem are present in Ethiopia. All these ecosystems are formed due to Volcanoes and volcanic activity which make the unusual ecosystems in the highlands of Ethiopia so we can conclude that volcanoes and volcanic activity is responsible for unusual ecosystems in Ethiopia.
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Answer:
the nuclear envelope disappears
Explanation: