Explanation:
(1)
True
The winds are significant in the distribution of heat across the globe. There are global air circulations around the world such as the Hadley and polar cells that take heat from the hotter regions to the cooler regions. This is driven by high and low-pressure systems on earth that are influenced by the sun. Cooler air masses move from the high-pressure system and displace the warm winds in the low-pressure systems. This helps in maintaining a heat balance on earth.
(2)
False
The geosphere not only includes all the rocks on the surface of the earth but also the whole of the lithosphere ( or crust), which also includes all the landforms on earth. All the rocks and minerals in the interior of the earth are also part of the geosphere, including the process – such as the convection currents of the mantle- that helps in the shaping of the earth's surface.
(3)
A.
In a storm, the heat from the hydrosphere which is transferred to the atmosphere via the heat of evaporation is what feeds the storm. Therefore these two spheres not only share distribution of heat energy but also water. When the storms dissipate the heat and its water from the clouds, the water flows back to the hydrosphere and the cycle continues.
(4)
True
The biosphere includes all the living and biotic components on earth. Therefore even the marine animals in the oceans are part of the biosphere. They are one aspect that signifies the interaction betwene the hydrosphere and the biosphere. These organisms draw oxygen, water and minerals from the hydrosphere which is important or life.
(5)
True
However, the atmosphere is not the only sphere that distributes heat across the globe. So does the hydrosphere. The ocean's currents are very significant with this regard just as are air currents, The warm surface currents from the equator distribute heat towards the poles while cooler deeper currents flow towards the equator from the poles – maintaining a heat balance on earth.
(6)
D.
When a volcano erupts, gases -like sulfur dioxide and carbon dioxide- and pyroclasts from deep in the earth rocks (geosphere) are spewed into the atmosphere. This is an example of how these two spheres of the earth interact.
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Answer:
White or gray, odorless lumps or granular powder.
Plants extract the carbon dioxide from the air and use it in photosynthesis process to feed themselves.
Answer is: H₃PO₄.
A
phosphoric acid is three protic acid, which means that in water release tree
protons. Phosphoric acid ionizes in three steps in water.
<span>
First step: H</span>₃PO₄(aq) ⇄ H₂PO₄⁻(aq) + H⁺(aq).<span>
Second step: H</span>₂PO₄⁻(aq)⇄ HPO₄²⁻(aq) + H⁺(aq).<span>
Third step: HPO</span>₄²⁻(aq) ⇄ PO₄³⁻(aq) + H⁺(aq).<span>
Species that are present: H</span>₃PO₄,
H₂PO₄⁻, HPO₄²⁻, PO₄³⁻ and H⁺, but because the acid dissociation constants are low, very low percentage of acid dissociates.
The empirical formula is C₂H₃O₂
<h3>What is Empirical formula of a compound ?</h3>
The empirical formula is the simplest whole number ratio of elements present in a compound.
The total molar mass of the compound is 118.084 g/mol.
mass of Carbon present = 40.6
mass of Hydrogen present = 5.1 grams
mass of Oxygen present = 2 grams
Moles of C = 40.6/12 = 3.38
Moles of H = 5.1/1.008 = 5
Moles of Oxygen = 54.2/15.999 = 3.38
Ratio of Moles of C to Oxygen is 1 : 1
Ratio of Moles of C to H is 1/1.5
Multiplying each mole fraction by 2
The empirical formula is C₂H₃O₂
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