The biosphere is all living things on earth
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B. In the twentieth century alone, the world population grew by more than 5 billion people.
C. Population grew slowly until the eighteenth century because death rates were higher.
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Answer:
Residential land use should be given priority in Ontario.
Explanation:
Ontario is the most populous province in Canada. Its approximately 15 million inhabitants make up 40% of the country's total population. Within the province is Toronto, the most important city in Canada, as well as Ottawa, the national capital, and other important cities such as Hamilton or London, among others.
Ontario is, in essence, Canada's economic engine. Its largest production is industrial, with different industrial and technological poles spread throughout the province. For example, in the city of London, the main industry is automotive production, while in Hamilton there are a large number of steel industries. Not minor are the energy, banking, financial and even agricultural industries in the province.
All this enormous production makes more and more labor want to move to the province, so it is necessary to expand the residential areas in order to receive all these workers and thus facilitate the expansion of Ontario's economic production.
Answer:
E. Mineral content
Explanation:
Viscosity is an internal property of a fluid that offers resistance to flow, the nature of volcanic eruptions is highly dependent on magma viscosity and also on dissolved gas content (dissolved gases become trapped by thick magma and the magma chamber begins to build pressure).
The viscosity of magma is controlled by the size of the molecules that comprise it.
<em>Felsic lava contains elements of small size (sodium and aluminum), these elements form polymers and large crystalline macromolecules like silica, the more extensive silicate chain molecules the more viscous the magma becomes, this happens because larger molecules have stronger intermolecular bonds preventing movement and spreading. </em>
Mafic and ultramafic lava, on the other hand, have lower viscosities, also contain lower quantities of silica and aluminum and are rich in magnesium oxide, which does not form large molecular structures, therefore lava flows smoothly, unrestricted by intermolecular forces.
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The difference between a hypothesis and theory is that the hypothesis is based on observations, but doesn't have a solid proof, while the theory is based on solid proof.
So in order for the scientist to make his hypothesis into theory about the connection of all the Earth's oceans, will need to provide a proof. This proof can be obtained by a sea traveling that will be well documented, and during the travel the scientist to manage to sail through all of the Earth's oceans without having any physical obstacle between any of them.
