Answer:
It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges. This contraction creates a vacuum, which pulls air into the lungs.
Explanation:
Answer:
Erosion by water
Explanation:
Moving water carrying away small pieces of rock is erosion by water.
E.g when the sea hits on the cliff and then takes away the fragments with it
Hope I helped
Answer:
nitrogen oxides and sulphur oxides
Explanation:
Factors responsible for antropogenic pollution are:
- burning of fossil fuels
- deforestation
- mining
- sewage
- industrial effluent
- pesticides, fertilizers, etc.
The primary air pollutants released from burning of fossil fuels are oxides of nitrogen, sulfur oxides and carbon monoxide.
Out of which the main pollutants that are responsible for acidic precipitation are oxides of nitrogen and sulfur oxides.
Sulfur oxides and Oxides of nitrogen reacts with moisture present in the air to form sulfuric acid and nitric acid respectively.
These acids get mixed with rain and cause acidic precipitation.
Therefore, the correct option is oxides of nitrogen and sulfur oxides.
Answer:
check the attached image. hope it helps
Explanation:
a. What does mol/L mean? mol/L means Molar Concentration
b. Describe in your own words how mol/L compares to grams/liter. (similarities and differences)
<u>Similarities:</u><u> </u>mol/L and grams/liter both are units of concentration.
<u>Differences</u>:
mol/L concentration says how many moles of solute are present in 1L of solution.
grams/liter concentration says how many grams of solute are present in 1L of solution.
3. Describe at least 2 ways in the simulation to change each of the parameters:
a. Volume of solution= evaporating or adding more water
b. amount of solute=reducing the water or evaporating more water
c. Concentration of solute in solution = evaporating or adding more solute
Net ionic equation
Cu²⁺(aq)+S²⁻(aq)⇒CuS(s)
<h3>Further explanation</h3>
Double-Replacement reactions. Happens if there is an ion exchange between two ion compounds in the reactant to form two new ion compounds in the product
In the ion equation, there is a spectator ion that is the ion which does not react because it is present before and after the reaction
When these ions are removed, the ionic equation is called the net ionic equation
For gases and solids including water (H₂O) can be written as an ionized molecule
Reaction
CuSO₄(aq)+Na₂S(aq)⇒CuS(s)+Na₂SO₄
ionic equation
Cu²⁺(aq)+SO₄²⁻(aq)+2Na⁺(aq)+S²⁻(aq)⇒CuS(s)+2Na⁺(aq+SO₄²⁻(aq)
spectator ions : 2Na⁺ and SO₄²⁻
Net ionic equation
Cu²⁺(aq)+S²⁻(aq)⇒CuS(s)
