They must be completely aware and be a expert otherwise they will not be able to keep everything under control.
Answer:
Two possible reasons for the massive extinction at the end of the Paleozoic Era are an asteroid collision and massive volcanic eruptions.
Explanation:
The massive extinction that occurred at the end of the Paleozoic Era is the biggest extinction from what is known so far. The majority of the species died out, and whole families of animals and plants were wiped out of the face of the Earth. It was only small and highly adaptable organisms that managed to survive and give rise to the later life-forms.
The two possible reasons for this massive extinction are an asteroid impact and massive volcanic eruptions. An asteroid collision would have created drastic changes in a matter of minutes and hours, with effects lasting for a long period of time, thus eliminating the majority of the life. Massive volcanic eruptions, with the Siberian super-volcano being the prime candidate, may have caused enormous amounts of carbon dioxide and sulfur dioxide to end up in the atmosphere, thus rapidly changing the living conditions on the planet.
Belgium, The Democratic Republic of the Congo was a Belgian Colony during the Colonial era of Africa
Answer: The term "Flat Earth" means that the Earth is not spherical. This term is usually the more vague answer above, but it can also mean Earth is just a circle
Answer:
Hypolimnion zone
Explanation:
The ecosystem of lake consists of four following zones :
1. Pelagic zone or limnetic zone .
2. Benthic zone .
3. Littoral zone .
4. Euphotic zone .
The ecosystem of the lake includes living organisms such as the animals , plants , micro organisms etc.
Epilimnion is the top layer of a thermally stratified lake .
And the Euphotic zone lies almost in the Epilimnion.
Hence ,
Hypolimnion zone does not belong to region in a lake ecosystem .