Five Mass Extinctions took place, which lowered the variety of species found on Earth today. The five mass extinctions were: End Cretaceous, End Triassic, End Permian, End Ordovician, End Devonian. Scientists this we are now living through the 6th mass extinction.
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Answer:ARCHIVAL research uses past records or data sets to investigate research questions or to look for patterns or relationships.
Explanation:
Archival research is a research which is based on retrieving information from original archives.
What are archives ?
Archives are documents,records and other sources which are historical and they relate to and record activities that happened back then. The conserve historic events so that these can be known by the future generations.
Archives are found under certain organisations or from governmentally authorized places or libraries.
Archival research gives Information to professionals who are interested in learning about historic events such as historians , genealogist and researchers.
These professionals can study these past events and be able to draw conclusions or make relations to the patterns we see today or we might see in the future .
Answer:
Several factors are responsible for the rapid growth: a drop in mortality rates, a young population, improved standards of living, and attitudes and practices which favor high fertility.
Explanation:
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Answer:
Book 3
Explanation:
1,2 and 4 are all about specific cultures while 3 is about any culture.
Answer:
The answer is d. vivid memories.
Explanation:
The limbic system, among other things, is responsible for memory and emotions. Since smell is connected to this system, it is a very powerful sense memory-wise.
Another reason the sense of smell is so sensitive is because it has a long evolutive history. Most single-cell organisms rely on smell as a means of interaction, so naturally it has developed in humans and other mammals.
