Answer:
Two right answers here:
- His theory of universal gravitation revolutionized astronomy.
- He discovered white light was made up of the many different colors of the spectrum.
Explanation:
Sir Isaac Newton (1642-1727) is the culminating figure of the Scientific Revolution of the 17th century. He was an English physicist and mathematician who made extraordinary contributions to science.
Pretty much everyone except northeast . Because southeast there is Florida which is hot in summer and not that cold. Southwest it gets so hot and not really cold. Mid west does get very warm as well too
b the number of traders and foreigners coming to egypt
...a lost civilization unrelated to the American Indian cultures that inhabited this region at the time Europeans arrived on the scene.
(I believe you’re referring to the Moundbuilder Myth)
Climatic cooling, Major glaciation, Sea level drop are the following possible causes for the Ordovician-Silurian extinction.
Option: A, B, D
Explanation:
In geological time scale Ordovician and Silurian are the epoch of Mesozoic era. Others are Devonian, Carboniferous and Permian. Almost 300-400 B.C. ago these periods were in work. Each of the epoch and period has their own characteristics regarding plant and animal life like Carboniferous was famous for the formation of coal.
There is a some sorts of natural reason for the extinction or discontinuation of each period and introduction of new period in geological time scale. Major glaciations mean accumulation or solidification of snow at large scale due to extreme cooling which causes reduction of sea level height.