D, motion of tectonic plates
Answer:
The Great Oxidation Event (GOE), sometimes also called the Great Oxygenation Event, Oxygen Catastrophe, Oxygen Crisis, Oxygen Holocaust, or Oxygen Revolution, was a time period when the Earth's atmosphere and the shallow ocean experienced a rise in oxygen, approximately 2.4 billion years ago (2.4 Ga) to 2.1–2.0 Ga during the Paleoproterozoic era.
Explanation:
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Answer:
Mercator projection is a map projection that was introduced by Gerardus Mercator in 1569. This projection is most widely used in maps.
Explanation:
Answer:
through glacial deposits and ice cores
Explanation:
Scientists use ice to study ancient climates through glacial deposits and ice cores.
These two sources are fundamental to the study of ancient climates whose salient information has been preserved and locked in time through glacial deposits.
- A place can remain frozen for an extended period of time.
- Some gas bubbles can be trapped in the midst of ice being formed.
- These bubbles and compacting sequences of ice layers are used to interpret ancient climates.
- Ice cores are drilled an collected in barrels where they are taken to the laboratory for further studies.
- It is possible to even date each ice layer.
So, the solution is through glacial deposits and ice cores.
Answer: The answer is D: international recognition
International recognition is generally not a reason why humans compete for territory.
Explanation: Territory can be defined as an area under the control of a specific individual or country. It is an area of land belonging to a governmental authority. It is also an area of land belonging or connected with a country or a person.
International recognition is an official recognition or acknowledgement of a person by other country.
